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-rw-r--r--gcc-4.2.1-5666.3/gcc/genconfig.c366
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diff --git a/gcc-4.2.1-5666.3/gcc/genconfig.c b/gcc-4.2.1-5666.3/gcc/genconfig.c
deleted file mode 100644
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--- a/gcc-4.2.1-5666.3/gcc/genconfig.c
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@@ -1,366 +0,0 @@
-/* Generate from machine description:
- - some #define configuration flags.
- Copyright (C) 1987, 1991, 1997, 1998, 1999, 2000, 2003, 2004
- 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
-version.
-
-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 GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
-
-
-#include "bconfig.h"
-#include "system.h"
-#include "coretypes.h"
-#include "tm.h"
-#include "rtl.h"
-#include "errors.h"
-#include "gensupport.h"
-
-
-/* flags to determine output of machine description dependent #define's. */
-static int max_recog_operands; /* Largest operand number seen. */
-static int max_dup_operands; /* Largest number of match_dup in any insn. */
-static int max_clobbers_per_insn;
-static int have_cc0_flag;
-static int have_cmove_flag;
-static int have_cond_exec_flag;
-static int have_lo_sum_flag;
-static int have_peephole_flag;
-static int have_peephole2_flag;
-
-/* Maximum number of insns seen in a split. */
-static int max_insns_per_split = 1;
-
-/* Maximum number of input insns for peephole2. */
-static int max_insns_per_peep2;
-
-static int clobbers_seen_this_insn;
-static int dup_operands_seen_this_insn;
-
-static void walk_insn_part (rtx, int, int);
-static void gen_insn (rtx);
-static void gen_expand (rtx);
-static void gen_split (rtx);
-static void gen_peephole (rtx);
-static void gen_peephole2 (rtx);
-
-/* RECOG_P will be nonzero if this pattern was seen in a context where it will
- be used to recognize, rather than just generate an insn.
-
- NON_PC_SET_SRC will be nonzero if this pattern was seen in a SET_SRC
- of a SET whose destination is not (pc). */
-
-static void
-walk_insn_part (rtx part, int recog_p, int non_pc_set_src)
-{
- int i, j;
- RTX_CODE code;
- const char *format_ptr;
-
- if (part == 0)
- return;
-
- code = GET_CODE (part);
- switch (code)
- {
- case CLOBBER:
- clobbers_seen_this_insn++;
- break;
-
- case MATCH_OPERAND:
- if (XINT (part, 0) > max_recog_operands)
- max_recog_operands = XINT (part, 0);
- return;
-
- case MATCH_OP_DUP:
- case MATCH_PAR_DUP:
- ++dup_operands_seen_this_insn;
- case MATCH_SCRATCH:
- case MATCH_PARALLEL:
- case MATCH_OPERATOR:
- if (XINT (part, 0) > max_recog_operands)
- max_recog_operands = XINT (part, 0);
- /* Now scan the rtl's in the vector inside the MATCH_OPERATOR or
- MATCH_PARALLEL. */
- break;
-
- case LABEL_REF:
- if (GET_CODE (XEXP (part, 0)) == MATCH_OPERAND
- || GET_CODE (XEXP (part, 0)) == MATCH_DUP)
- break;
- return;
-
- case MATCH_DUP:
- ++dup_operands_seen_this_insn;
- if (XINT (part, 0) > max_recog_operands)
- max_recog_operands = XINT (part, 0);
- return;
-
- case CC0:
- if (recog_p)
- have_cc0_flag = 1;
- return;
-
- case LO_SUM:
- if (recog_p)
- have_lo_sum_flag = 1;
- return;
-
- case SET:
- walk_insn_part (SET_DEST (part), 0, recog_p);
- walk_insn_part (SET_SRC (part), recog_p,
- GET_CODE (SET_DEST (part)) != PC);
- return;
-
- case IF_THEN_ELSE:
- /* Only consider this machine as having a conditional move if the
- two arms of the IF_THEN_ELSE are both MATCH_OPERAND. Otherwise,
- we have some specific IF_THEN_ELSE construct (like the doz
- instruction on the RS/6000) that can't be used in the general
- context we want it for. */
-
- if (recog_p && non_pc_set_src
- && GET_CODE (XEXP (part, 1)) == MATCH_OPERAND
- && GET_CODE (XEXP (part, 2)) == MATCH_OPERAND)
- have_cmove_flag = 1;
- break;
-
- case COND_EXEC:
- if (recog_p)
- have_cond_exec_flag = 1;
- break;
-
- case REG: case CONST_INT: case SYMBOL_REF:
- case PC:
- return;
-
- default:
- break;
- }
-
- format_ptr = GET_RTX_FORMAT (GET_CODE (part));
-
- for (i = 0; i < GET_RTX_LENGTH (GET_CODE (part)); i++)
- switch (*format_ptr++)
- {
- case 'e':
- case 'u':
- walk_insn_part (XEXP (part, i), recog_p, non_pc_set_src);
- break;
- case 'E':
- if (XVEC (part, i) != NULL)
- for (j = 0; j < XVECLEN (part, i); j++)
- walk_insn_part (XVECEXP (part, i, j), recog_p, non_pc_set_src);
- break;
- }
-}
-
-static void
-gen_insn (rtx insn)
-{
- int i;
-
- /* Walk the insn pattern to gather the #define's status. */
- clobbers_seen_this_insn = 0;
- dup_operands_seen_this_insn = 0;
- if (XVEC (insn, 1) != 0)
- for (i = 0; i < XVECLEN (insn, 1); i++)
- walk_insn_part (XVECEXP (insn, 1, i), 1, 0);
-
- if (clobbers_seen_this_insn > max_clobbers_per_insn)
- max_clobbers_per_insn = clobbers_seen_this_insn;
- if (dup_operands_seen_this_insn > max_dup_operands)
- max_dup_operands = dup_operands_seen_this_insn;
-}
-
-/* Similar but scan a define_expand. */
-
-static void
-gen_expand (rtx insn)
-{
- int i;
-
- /* Walk the insn pattern to gather the #define's status. */
-
- /* Note that we don't bother recording the number of MATCH_DUPs
- that occur in a gen_expand, because only reload cares about that. */
- if (XVEC (insn, 1) != 0)
- for (i = 0; i < XVECLEN (insn, 1); i++)
- {
- /* Compute the maximum SETs and CLOBBERS
- in any one of the sub-insns;
- don't sum across all of them. */
- clobbers_seen_this_insn = 0;
-
- walk_insn_part (XVECEXP (insn, 1, i), 0, 0);
-
- if (clobbers_seen_this_insn > max_clobbers_per_insn)
- max_clobbers_per_insn = clobbers_seen_this_insn;
- }
-}
-
-/* Similar but scan a define_split. */
-
-static void
-gen_split (rtx split)
-{
- int i;
-
- /* Look through the patterns that are matched
- to compute the maximum operand number. */
- for (i = 0; i < XVECLEN (split, 0); i++)
- walk_insn_part (XVECEXP (split, 0, i), 1, 0);
- /* Look at the number of insns this insn could split into. */
- if (XVECLEN (split, 2) > max_insns_per_split)
- max_insns_per_split = XVECLEN (split, 2);
-}
-
-static void
-gen_peephole (rtx peep)
-{
- int i;
-
- /* Look through the patterns that are matched
- to compute the maximum operand number. */
- for (i = 0; i < XVECLEN (peep, 0); i++)
- walk_insn_part (XVECEXP (peep, 0, i), 1, 0);
-}
-
-static void
-gen_peephole2 (rtx peep)
-{
- int i, n;
-
- /* Look through the patterns that are matched
- to compute the maximum operand number. */
- for (i = XVECLEN (peep, 0) - 1; i >= 0; --i)
- walk_insn_part (XVECEXP (peep, 0, i), 1, 0);
-
- /* Look at the number of insns this insn can be matched from. */
- for (i = XVECLEN (peep, 0) - 1, n = 0; i >= 0; --i)
- if (GET_CODE (XVECEXP (peep, 0, i)) != MATCH_DUP
- && GET_CODE (XVECEXP (peep, 0, i)) != MATCH_SCRATCH)
- n++;
- if (n > max_insns_per_peep2)
- max_insns_per_peep2 = n;
-}
-
-int
-main (int argc, char **argv)
-{
- rtx desc;
-
- progname = "genconfig";
-
- if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
- return (FATAL_EXIT_CODE);
-
- puts ("/* Generated automatically by the program `genconfig'");
- puts (" from the machine description file `md'. */\n");
- puts ("#ifndef GCC_INSN_CONFIG_H");
- puts ("#define GCC_INSN_CONFIG_H\n");
-
- /* Allow at least 30 operands for the sake of asm constructs. */
- /* ??? We *really* ought to reorganize things such that there
- is no fixed upper bound. */
- max_recog_operands = 29; /* We will add 1 later. */
- max_dup_operands = 1;
-
- /* Read the machine description. */
-
- while (1)
- {
- int line_no, insn_code_number = 0;
-
- desc = read_md_rtx (&line_no, &insn_code_number);
- if (desc == NULL)
- break;
-
- switch (GET_CODE (desc))
- {
- case DEFINE_INSN:
- gen_insn (desc);
- break;
-
- case DEFINE_EXPAND:
- gen_expand (desc);
- break;
-
- case DEFINE_SPLIT:
- gen_split (desc);
- break;
-
- case DEFINE_PEEPHOLE2:
- have_peephole2_flag = 1;
- gen_peephole2 (desc);
- break;
-
- case DEFINE_PEEPHOLE:
- have_peephole_flag = 1;
- gen_peephole (desc);
- break;
-
- default:
- break;
- }
- }
-
- printf ("#define MAX_RECOG_OPERANDS %d\n", max_recog_operands + 1);
- printf ("#define MAX_DUP_OPERANDS %d\n", max_dup_operands);
-
- /* This is conditionally defined, in case the user writes code which emits
- more splits than we can readily see (and knows s/he does it). */
- printf ("#ifndef MAX_INSNS_PER_SPLIT\n");
- printf ("#define MAX_INSNS_PER_SPLIT %d\n", max_insns_per_split);
- printf ("#endif\n");
-
- if (have_cc0_flag)
- {
- printf ("#define HAVE_cc0 1\n");
- printf ("#define CC0_P(X) ((X) == cc0_rtx)\n");
- }
- else
- {
- /* We output CC0_P this way to make sure that X is declared
- somewhere. */
- printf ("#define CC0_P(X) ((X) ? 0 : 0)\n");
- }
-
- if (have_cmove_flag)
- printf ("#define HAVE_conditional_move 1\n");
-
- if (have_cond_exec_flag)
- printf ("#define HAVE_conditional_execution 1\n");
-
- if (have_lo_sum_flag)
- printf ("#define HAVE_lo_sum 1\n");
-
- if (have_peephole_flag)
- printf ("#define HAVE_peephole 1\n");
-
- if (have_peephole2_flag)
- {
- printf ("#define HAVE_peephole2 1\n");
- printf ("#define MAX_INSNS_PER_PEEP2 %d\n", max_insns_per_peep2);
- }
-
- puts("\n#endif /* GCC_INSN_CONFIG_H */");
-
- if (ferror (stdout) || fflush (stdout) || fclose (stdout))
- return FATAL_EXIT_CODE;
-
- return SUCCESS_EXIT_CODE;
-}