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author | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
commit | c9ab9ae440a8066b2c2b85b157b1fdadcf09916a (patch) | |
tree | 086d9d6c8fbd4fc8fe4495059332f66bc0f8d12b /contrib/gcc/gencodes.c | |
parent | 2ecfd8bd04b63f335c1ec6295740a4bfd97a4fa6 (diff) | |
download | FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.zip FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.tar.gz |
Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.
These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
Diffstat (limited to 'contrib/gcc/gencodes.c')
-rw-r--r-- | contrib/gcc/gencodes.c | 186 |
1 files changed, 56 insertions, 130 deletions
diff --git a/contrib/gcc/gencodes.c b/contrib/gcc/gencodes.c index 2658216..0611eec 100644 --- a/contrib/gcc/gencodes.c +++ b/contrib/gcc/gencodes.c @@ -1,178 +1,104 @@ /* Generate from machine description: - - some macros CODE_FOR_... giving the insn_code_number value for each of the defined standard insn names. - Copyright (C) 1987, 1991, 1995, 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1987, 1991, 1995, 1998, + 1999, 2000, 2001 Free Software Foundation, Inc. -This file is part of GNU CC. +This file is part of GCC. -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. */ #include "hconfig.h" #include "system.h" #include "rtl.h" -#include "obstack.h" - -static struct obstack obstack; -struct obstack *rtl_obstack = &obstack; - -#define obstack_chunk_alloc xmalloc -#define obstack_chunk_free free - -void fatal PVPROTO ((const char *, ...)) - ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN; -void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN; +#include "errors.h" +#include "gensupport.h" -/* Define this so we can link with print-rtl.o to get debug_rtx function. */ -char **insn_name_ptr = 0; - -static int insn_code_number; - -static void gen_insn PROTO((rtx)); +static void gen_insn PARAMS ((const char *, int)); static void -gen_insn (insn) - rtx insn; +gen_insn (name, code) + const char *name; + int code; { /* Don't mention instructions whose names are the null string or begin with '*'. They are in the machine description just to be recognized. */ - if (XSTR (insn, 0)[0] != 0 && XSTR (insn, 0)[0] != '*') - printf (" CODE_FOR_%s = %d,\n", XSTR (insn, 0), - insn_code_number); + if (name[0] != 0 && name[0] != '*') + printf (" CODE_FOR_%s = %d,\n", name, code); } -PTR -xmalloc (size) - size_t size; -{ - register PTR val = (PTR) malloc (size); +extern int main PARAMS ((int, char **)); - if (val == 0) - fatal ("virtual memory exhausted"); - return val; -} - -PTR -xrealloc (old, size) - PTR old; - size_t size; -{ - register PTR ptr; - if (old) - ptr = (PTR) realloc (old, size); - else - ptr = (PTR) malloc (size); - if (!ptr) - fatal ("virtual memory exhausted"); - return ptr; -} - -void -fatal VPROTO ((const char *format, ...)) -{ -#ifndef ANSI_PROTOTYPES - const char *format; -#endif - va_list ap; - - VA_START (ap, format); - -#ifndef ANSI_PROTOTYPES - format = va_arg (ap, const char *); -#endif - - fprintf (stderr, "gencodes: "); - vfprintf (stderr, format, ap); - va_end (ap); - fprintf (stderr, "\n"); - exit (FATAL_EXIT_CODE); -} - -/* More 'friendly' abort that prints the line and file. - config.h can #define abort fancy_abort if you like that sort of thing. */ - -void -fancy_abort () -{ - fatal ("Internal gcc abort."); -} - int main (argc, argv) int argc; char **argv; { rtx desc; - FILE *infile; - register int c; - obstack_init (rtl_obstack); + progname = "gencodes"; if (argc <= 1) - fatal ("No input file name."); - - infile = fopen (argv[1], "r"); - if (infile == 0) - { - perror (argv[1]); - exit (FATAL_EXIT_CODE); - } + fatal ("no input file name"); - init_rtl (); + if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE) + return (FATAL_EXIT_CODE); - printf ("/* Generated automatically by the program `gencodes'\n\ -from the machine description file `md'. */\n\n"); - - printf ("#ifndef MAX_INSN_CODE\n\n"); + puts ("\ +/* Generated automatically by the program `gencodes'\n\ + from the machine description file `md'. */\n\ +\n\ +#ifndef GCC_INSN_CODES_H\n\ +#define GCC_INSN_CODES_H\n\ +\n\ +enum insn_code {"); /* Read the machine description. */ - insn_code_number = 0; - printf ("enum insn_code {\n"); - while (1) { - c = read_skip_spaces (infile); - if (c == EOF) + int line_no; + int insn_code_number; + + desc = read_md_rtx (&line_no, &insn_code_number); + if (desc == NULL) break; - ungetc (c, infile); - desc = read_rtx (infile); if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND) - { - gen_insn (desc); - insn_code_number++; - } - if (GET_CODE (desc) == DEFINE_PEEPHOLE - || GET_CODE (desc) == DEFINE_SPLIT) - { - insn_code_number++; - } + gen_insn (XSTR (desc, 0), insn_code_number); } - printf (" CODE_FOR_nothing };\n"); + puts ("CODE_FOR_nothing\n\ +};\n\ +\n\ +#endif /* GCC_INSN_CODES_H */"); - printf ("\n#define MAX_INSN_CODE ((int) CODE_FOR_nothing)\n"); + if (ferror (stdout) || fflush (stdout) || fclose (stdout)) + return FATAL_EXIT_CODE; - printf ("#endif /* MAX_INSN_CODE */\n"); + return SUCCESS_EXIT_CODE; +} - fflush (stdout); - exit (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE); - /* NOTREACHED */ - return 0; +/* Define this so we can link with print-rtl.o to get debug_rtx function. */ + +const char * +get_insn_name (code) + int code ATTRIBUTE_UNUSED; +{ + return NULL; } |