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086d7dbb2e
The common igen code was forked from the ppc long ago. The filter module is still pretty similar in API, so we can unfork them with a little bit of effort. The filter.c module is still here because of the unique it_is API. The common igen code doesn't seem to have an equiv API as this only operates on two strings and not an actual filter object, and it's easy enough to leave behind to unfork the rest.
138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
/* This file is part of the program psim.
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Copyright 1994, 1995, 2003 Andrew Cagney
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "misc.h"
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#include "lf.h"
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#include "lf-ppc.h"
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#include "table.h"
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#include "filter.h"
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#include "filter-ppc.h"
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#include "ld-decode.h"
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#include "ld-cache.h"
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#include "ld-insn.h"
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#include "igen.h"
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#include "gen-semantics.h"
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#include "gen-support.h"
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static void
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print_support_function_name(lf *file,
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table_entry *function,
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int is_function_definition)
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{
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if (it_is("internal", function->fields[insn_flags])) {
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lf_print__function_type(file, SEMANTIC_FUNCTION_TYPE, "PSIM_INLINE_SUPPORT",
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(is_function_definition ? "\n" : " "));
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print_function_name(file,
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function->fields[function_name],
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NULL,
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function_name_prefix_semantics);
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lf_printf(file, "\n(%s)", SEMANTIC_FUNCTION_FORMAL);
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if (!is_function_definition)
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lf_printf(file, ";");
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lf_printf(file, "\n");
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}
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else {
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lf_print__function_type(file,
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function->fields[function_type],
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"PSIM_INLINE_SUPPORT",
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(is_function_definition ? "\n" : " "));
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lf_printf(file, "%s\n(%s)%s",
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function->fields[function_name],
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function->fields[function_param],
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(is_function_definition ? "\n" : ";\n"));
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}
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}
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static void
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support_h_function(insn_table *entry,
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lf *file,
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void *data,
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table_entry *function)
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{
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ASSERT(function->fields[function_type] != NULL);
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ASSERT(function->fields[function_param] != NULL);
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print_support_function_name(file,
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function,
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0/*!is_definition*/);
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lf_printf(file, "\n");
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}
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extern void
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gen_support_h(insn_table *table,
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lf *file)
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{
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/* output a declaration for all functions */
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insn_table_traverse_function(table,
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file, NULL,
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support_h_function);
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lf_printf(file, "\n");
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lf_printf(file, "#if (SUPPORT_INLINE & INCLUDE_MODULE)\n");
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lf_printf(file, "# include \"support.c\"\n");
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lf_printf(file, "#endif\n");
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}
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static void
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support_c_function(insn_table *table,
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lf *file,
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void *data,
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table_entry *function)
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{
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ASSERT(function->fields[function_type] != NULL);
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print_support_function_name(file,
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function,
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1/*!is_definition*/);
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table_entry_print_cpp_line_nr(file, function);
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lf_printf(file, "{\n");
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lf_indent(file, +2);
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lf_print__c_code(file, function->annex);
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if (it_is("internal", function->fields[insn_flags])) {
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lf_printf(file, "error(\"Internal function must longjump\\n\");\n");
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lf_printf(file, "return 0;\n");
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}
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lf_indent(file, -2);
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lf_printf(file, "}\n");
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lf_print__internal_ref(file);
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lf_printf(file, "\n");
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}
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void
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gen_support_c(insn_table *table,
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lf *file)
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{
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lf_printf(file, "#include \"cpu.h\"\n");
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lf_printf(file, "#include \"idecode.h\"\n");
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lf_printf(file, "#ifdef HAVE_COMMON_FPU\n");
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lf_printf(file, "#include \"sim-inline.h\"\n");
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lf_printf(file, "#include \"sim-fpu.h\"\n");
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lf_printf(file, "#endif\n");
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lf_printf(file, "#include \"support.h\"\n");
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lf_printf(file, "\n");
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/* output a definition (c-code) for all functions */
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insn_table_traverse_function(table,
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file, NULL,
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support_c_function);
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}
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