diff options
Diffstat (limited to 'contrib/gcc/gengenrtl.c')
-rw-r--r-- | contrib/gcc/gengenrtl.c | 104 |
1 files changed, 46 insertions, 58 deletions
diff --git a/contrib/gcc/gengenrtl.c b/contrib/gcc/gengenrtl.c index 6bfd0ff..39f1dc2 100644 --- a/contrib/gcc/gengenrtl.c +++ b/contrib/gcc/gengenrtl.c @@ -1,5 +1,6 @@ /* 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 + Free Software Foundation, Inc. This file is part of GCC. @@ -19,47 +20,46 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#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)); +static const char *type_from_format (int); +static const char *accessor_from_format (int); +static int special_format (const char *); +static int special_rtx (int); +static int excluded_rtx (int); +static void find_formats (void); +static void gendecl (const char *); +static void genmacro (int); +static void gendef (const char *); +static void genlegend (void); +static void genheader (void); +static void gencode (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) { @@ -91,8 +91,7 @@ type_from_format (c) /* 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) { @@ -129,8 +128,7 @@ 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 +141,7 @@ 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 @@ -158,8 +155,7 @@ 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); } @@ -167,9 +163,9 @@ excluded_rtx (idx) /* 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++) { @@ -190,13 +186,12 @@ find_formats () /* Write the declarations for the routine to allocate RTL with FORMAT. */ static void -gendecl (format) - const char *format; +gendecl (const char *format) { const char *p; int i, pos; - printf ("extern rtx gen_rtx_fmt_%s\tPARAMS ((RTX_CODE, ", format); + printf ("extern rtx gen_rtx_fmt_%s\t (RTX_CODE, ", format); printf ("enum machine_mode mode"); /* Write each parameter that is needed and start a new line when the line @@ -214,15 +209,14 @@ gendecl (format) pos += ourlen; } - printf ("));\n"); + 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 +249,7 @@ genmacro (idx) format is FORMAT. */ static void -gendef (format) - const char *format; +gendef (const char *format) { const char *p; int i, j; @@ -264,23 +257,20 @@ 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 ("rtx\ngen_rtx_fmt_%s (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 (")"); /* 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 = ggc_alloc_rtx (code);\n"); - puts (" memset (rt, 0, sizeof (struct rtx_def) - sizeof (rtunion));\n"); + puts (" memset (rt, 0, RTX_HDR_SIZE);\n"); puts (" PUT_CODE (rt, code);"); puts (" PUT_MODE (rt, mode);"); @@ -296,7 +286,7 @@ gendef (format) /* Generate the documentation header for files we write. */ static void -genlegend () +genlegend (void) { puts ("/* Generated automatically by gengenrtl from rtl.def. */\n"); } @@ -304,9 +294,9 @@ 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"); @@ -327,16 +317,17 @@ genheader () /* Generate the text of the code file we write, genrtl.c. */ static void -gencode () +gencode (void) { const char **fmt; puts ("#include \"config.h\""); puts ("#include \"system.h\""); + puts ("#include \"coretypes.h\""); + puts ("#include \"tm.h\""); puts ("#include \"obstack.h\""); puts ("#include \"rtl.h\""); puts ("#include \"ggc.h\"\n"); - puts ("extern struct obstack *rtl_obstack;\n"); for (fmt = formats; *fmt != 0; fmt++) gendef (*fmt); @@ -345,12 +336,9 @@ gencode () /* 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 **)); int -main (argc, argv) - int argc; - char **argv; +main (int argc, char **argv) { find_formats (); genlegend (); |