X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgengenrtl.c;h=afc9709cd6e028c9266745e95fed27816f7d61b6;hb=f3f03d1ef01ae945da02a8d1fc3972459b1df5c3;hp=126be8ead28cbe6f592540cc69bd00c020b15894;hpb=9426b612787aa49ca83270369785f345c4d9e0eb;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/gengenrtl.c b/gcc/gengenrtl.c index 126be8ead28..afc9709cd6e 100644 --- a/gcc/gengenrtl.c +++ b/gcc/gengenrtl.c @@ -1,11 +1,12 @@ /* Generate code to allocate RTL structures. - Copyright (C) 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2007 + Free Software Foundation, Inc. This file is part of GCC. 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 +Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY @@ -14,52 +15,37 @@ 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 GCC; 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 COPYING3. If not see +. */ -#include "hconfig.h" +#include "bconfig.h" #include "system.h" -#define NO_GENRTL_H -#include "rtl.h" -#undef abort - -#include "real.h" - struct rtx_definition { const char *const enumname, *const name, *const format; }; -#define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) { STRINGX(ENUM), NAME, FORMAT }, +/* rtl.def needs CONST_DOUBLE_FORMAT, but we don't care what + CONST_DOUBLE_FORMAT is because we're not going to be generating + anything for CONST_DOUBLE anyway. */ +#define CONST_DOUBLE_FORMAT "" + +#define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) { #ENUM, NAME, FORMAT }, static const struct rtx_definition defs[] = { #include "rtl.def" /* rtl expressions are documented here */ }; +#define NUM_RTX_CODE ARRAY_SIZE(defs) static const char *formats[NUM_RTX_CODE]; - -static const char *type_from_format PARAMS ((int)); -static const char *accessor_from_format PARAMS ((int)); -static int special_format PARAMS ((const char *)); -static int special_rtx PARAMS ((int)); -static int excluded_rtx PARAMS ((int)); -static void find_formats PARAMS ((void)); -static void gendecl PARAMS ((const char *)); -static void genmacro PARAMS ((int)); -static void gendef PARAMS ((const char *)); -static void genlegend PARAMS ((void)); -static void genheader PARAMS ((void)); -static void gencode PARAMS ((void)); /* Decode a format letter into a C type string. */ static const char * -type_from_format (c) - int c; +type_from_format (int c) { switch (c) { @@ -77,22 +63,19 @@ type_from_format (c) case 'E': return "rtvec "; - case 'b': - return "struct bitmap_head_def *"; /* bitmap - typedef not available */ case 't': return "union tree_node *"; /* tree - typedef not available */ case 'B': return "struct basic_block_def *"; /* basic block - typedef not available */ default: - abort (); + gcc_unreachable (); } } /* Decode a format letter into the proper accessor function. */ static const char * -accessor_from_format (c) - int c; +accessor_from_format (int c) { switch (c) { @@ -111,9 +94,6 @@ accessor_from_format (c) case 'E': return "XVEC"; - case 'b': - return "XBITMAP"; - case 't': return "XTREE"; @@ -121,7 +101,7 @@ accessor_from_format (c) return "XBBDEF"; default: - abort (); + gcc_unreachable (); } } @@ -129,8 +109,7 @@ accessor_from_format (c) the list of formats we write routines to create. */ static int -special_format (fmt) - const char *fmt; +special_format (const char *fmt) { return (strchr (fmt, '*') != 0 || strchr (fmt, 'V') != 0 @@ -143,8 +122,7 @@ special_format (fmt) is a wrapper in emit-rtl.c). */ static int -special_rtx (idx) - int idx; +special_rtx (int idx) { return (strcmp (defs[idx].enumname, "CONST_INT") == 0 || strcmp (defs[idx].enumname, "REG") == 0 @@ -158,18 +136,18 @@ special_rtx (idx) cannot have the obvious interface). */ static int -excluded_rtx (idx) - int idx; +excluded_rtx (int idx) { - return (strcmp (defs[idx].enumname, "CONST_DOUBLE") == 0); + return ((strcmp (defs[idx].enumname, "CONST_DOUBLE") == 0) + || (strcmp (defs[idx].enumname, "CONST_FIXED") == 0)); } /* Place a list of all format specifiers we use into the array FORMAT. */ static void -find_formats () +find_formats (void) { - int i; + unsigned int i; for (i = 0; i < NUM_RTX_CODE; i++) { @@ -187,42 +165,12 @@ find_formats () } } -/* Write the declarations for the routine to allocate RTL with FORMAT. */ - -static void -gendecl (format) - const char *format; -{ - const char *p; - int i, pos; - - printf ("extern rtx gen_rtx_fmt_%s\tPARAMS ((RTX_CODE, ", format); - printf ("enum machine_mode mode"); - - /* Write each parameter that is needed and start a new line when the line - would overflow. */ - for (p = format, i = 0, pos = 75; *p != 0; p++) - if (*p != '0') - { - int ourlen = strlen (type_from_format (*p)) + 6 + (i > 9); - - printf (","); - if (pos + ourlen > 76) - printf ("\n\t\t\t\t "), pos = 39; - - printf (" %sarg%d", type_from_format (*p), i++); - pos += ourlen; - } - - printf ("));\n"); -} /* Generate macros to generate RTL of code IDX using the functions we write. */ static void -genmacro (idx) - int idx; +genmacro (int idx) { const char *p; int i; @@ -255,8 +203,7 @@ genmacro (idx) format is FORMAT. */ static void -gendef (format) - const char *format; +gendef (const char *format) { const char *p; int i, j; @@ -264,24 +211,19 @@ gendef (format) /* Start by writing the definition of the function name and the types of the arguments. */ - printf ("rtx\ngen_rtx_fmt_%s (code, mode", format); + printf ("static inline rtx\ngen_rtx_fmt_%s_stat (RTX_CODE code, enum machine_mode mode", format); for (p = format, i = 0; *p != 0; p++) if (*p != '0') - printf (", arg%d", i++); + printf (",\n\t%sarg%d", type_from_format (*p), i++); - puts (")\n RTX_CODE code;\n enum machine_mode mode;"); - for (p = format, i = 0; *p != 0; p++) - if (*p != '0') - printf (" %sarg%d;\n", type_from_format (*p), i++); + puts (" MEM_STAT_DECL)"); /* Now write out the body of the function itself, which allocates the memory and initializes it. */ puts ("{"); puts (" rtx rt;"); - printf (" rt = ggc_alloc_rtx (%d);\n", (int) strlen (format)); + puts (" rt = rtx_alloc_stat (code PASS_MEM_STAT);\n"); - puts (" memset (rt, 0, sizeof (struct rtx_def) - sizeof (rtunion));\n"); - puts (" PUT_CODE (rt, code);"); puts (" PUT_MODE (rt, mode);"); for (p = format, i = j = 0; *p ; ++p, ++i) @@ -291,12 +233,21 @@ gendef (format) printf (" X0EXP (rt, %d) = NULL_RTX;\n", i); puts ("\n return rt;\n}\n"); + printf ("#define gen_rtx_fmt_%s(c, m", format); + for (p = format, i = 0; *p != 0; p++) + if (*p != '0') + printf (", p%i",i++); + printf (")\\\n gen_rtx_fmt_%s_stat (c, m", format); + for (p = format, i = 0; *p != 0; p++) + if (*p != '0') + printf (", p%i",i++); + printf (" MEM_STAT_INFO)\n\n"); } /* Generate the documentation header for files we write. */ static void -genlegend () +genlegend (void) { puts ("/* Generated automatically by gengenrtl from rtl.def. */\n"); } @@ -304,16 +255,17 @@ genlegend () /* Generate the text of the header file we make, genrtl.h. */ static void -genheader () +genheader (void) { - int i; + unsigned int i; const char **fmt; puts ("#ifndef GCC_GENRTL_H"); puts ("#define GCC_GENRTL_H\n"); + puts ("#include \"statistics.h\"\n"); for (fmt = formats; *fmt; ++fmt) - gendecl (*fmt); + gendef (*fmt); putchar ('\n'); @@ -324,45 +276,15 @@ genheader () puts ("\n#endif /* GCC_GENRTL_H */"); } -/* Generate the text of the code file we write, genrtl.c. */ - -static void -gencode () -{ - const char **fmt; - - puts ("#include \"config.h\""); - puts ("#include \"system.h\""); - puts ("#include \"obstack.h\""); - puts ("#include \"rtl.h\""); - puts ("#include \"ggc.h\"\n"); - puts ("extern struct obstack *rtl_obstack;\n"); - puts ("#define obstack_alloc_rtx(n) \\"); - puts (" ((rtx) obstack_alloc (rtl_obstack, \\"); - puts (" sizeof (struct rtx_def) \\"); - puts (" + ((n) - 1) * sizeof (rtunion)))\n"); - - for (fmt = formats; *fmt != 0; fmt++) - gendef (*fmt); -} - -/* This is the main program. We accept only one argument, "-h", which - says we are writing the genrtl.h file. Otherwise we are writing the - genrtl.c file. */ -extern int main PARAMS ((int, char **)); +/* This is the main program. */ int -main (argc, argv) - int argc; - char **argv; +main (void) { find_formats (); genlegend (); - if (argc == 2 && argv[1][0] == '-' && argv[1][1] == 'h') - genheader (); - else - gencode (); + genheader (); if (ferror (stdout) || fflush (stdout) || fclose (stdout)) return FATAL_EXIT_CODE;