X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Frecog.h;h=f2b1f6e44048c3142d4ebd2fb2b52a39fab9119b;hb=8d40ea4504ee85e1a6b73103edb1776141d5d22e;hp=e8b25e65ce1f3bb663d2a6df35d58038ccdac6a6;hpb=f5ab938764f423d8c01bfd9e9682af87e6be42e7;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/recog.h b/gcc/recog.h
index e8b25e65ce1..f2b1f6e4404 100644
--- a/gcc/recog.h
+++ b/gcc/recog.h
@@ -1,12 +1,12 @@
 /* Declarations for interface to insn recognizer and insn-output.c.
-   Copyright (C) 1987, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005
-   Free Software Foundation, Inc.
+   Copyright (C) 1987, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004,
+   2005, 2006, 2007, 2008, 2009 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
@@ -15,9 +15,8 @@ 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
+<http://www.gnu.org/licenses/>.  */
 
 /* Random number that should be large enough for all purposes.  */
 #define MAX_RECOG_ALTERNATIVES 30
@@ -51,7 +50,8 @@ struct operand_alternative
 
   /* Nonzero if '&' was found in the constraint string.  */
   unsigned int earlyclobber:1;
-  /* Nonzero if 'm' was found in the constraint string.  */
+  /* Nonzero if TARGET_MEM_CONSTRAINT was found in the constraint
+     string.  */
   unsigned int memory_ok:1;
   /* Nonzero if 'o' was found in the constraint string.  */
   unsigned int offmem_ok:1;
@@ -72,10 +72,12 @@ struct operand_alternative
 extern void init_recog (void);
 extern void init_recog_no_volatile (void);
 extern int check_asm_operands (rtx);
-extern int asm_operand_ok (rtx, const char *);
-extern int validate_change (rtx, rtx *, rtx, int);
-extern int validate_change_maybe_volatile (rtx, rtx *, rtx);
+extern int asm_operand_ok (rtx, const char *, const char **);
+extern bool validate_change (rtx, rtx *, rtx, bool);
+extern bool validate_unshare_change (rtx, rtx *, rtx, bool);
+extern bool canonicalize_change_group (rtx insn, rtx x);
 extern int insn_invalid_p (rtx);
+extern int verify_changes (int);
 extern void confirm_change_group (void);
 extern int apply_change_group (void);
 extern int num_validated_changes (void);
@@ -84,16 +86,17 @@ extern int constrain_operands (int);
 extern int constrain_operands_cached (int);
 extern int memory_address_p (enum machine_mode, rtx);
 extern int strict_memory_address_p (enum machine_mode, rtx);
-extern int validate_replace_rtx_subexp (rtx, rtx, rtx, rtx *);
 extern int validate_replace_rtx (rtx, rtx, rtx);
+extern int validate_replace_rtx_part (rtx, rtx, rtx *, rtx);
+extern int validate_replace_rtx_part_nosimplify (rtx, rtx, rtx *, rtx);
 extern void validate_replace_rtx_group (rtx, rtx, rtx);
 extern void validate_replace_src_group (rtx, rtx, rtx);
+extern bool validate_simplify_insn (rtx insn);
 extern int num_changes_pending (void);
 #ifdef HAVE_cc0
 extern int next_insn_tests_no_inequality (rtx);
 #endif
 extern int reg_fits_class_p (rtx, enum reg_class, int, enum machine_mode);
-extern rtx *find_single_use (rtx, rtx, rtx *);
 
 extern int offsettable_memref_p (rtx);
 extern int offsettable_nonstrict_memref_p (rtx);
@@ -118,7 +121,6 @@ extern int peep2_reg_dead_p (int, rtx);
 extern rtx peep2_find_free_register (int, int, const char *,
 				     enum machine_mode, HARD_REG_SET *);
 #endif
-extern void peephole2_optimize (FILE *);
 extern rtx peephole2_insns (rtx, rtx, int *);
 
 extern int store_data_bypass_p (rtx, rtx);
@@ -132,7 +134,7 @@ extern int if_test_bypass_p (rtx, rtx);
 
    This function is the normal interface to instruction recognition.
    The automatically-generated function `recog' is normally called
-   through this one.  (The only exception is in combine.c.)  */
+   through this one.  */
 
 static inline int
 recog_memoized (rtx insn)
@@ -143,6 +145,19 @@ recog_memoized (rtx insn)
 }
 #endif
 
+/* Skip chars until the next ',' or the end of the string.  This is
+   useful to skip alternatives in a constraint string.  */
+static inline const char *
+skip_alternative (const char *p)
+{
+  const char *r = p;
+  while (*r != '\0' && *r != ',')
+    r++;
+  if (*r == ',')
+    r++;
+  return r;
+}
+
 /* Nonzero means volatile operands are recognized.  */
 extern int volatile_ok;
 
@@ -202,6 +217,12 @@ struct recog_data
   /* The number of alternatives in the constraints for the insn.  */
   char n_alternatives;
 
+  /* Specifies whether an insn alternative is enabled using the
+     `enabled' attribute in the insn pattern definition.  For back
+     ends not using the `enabled' attribute the array fields are
+     always set to `true' in expand_insn.  */
+  bool alternative_enabled_p [MAX_RECOG_ALTERNATIVES];
+
   /* In case we are caching, hold insn data was generated for.  */
   rtx insn;
 };
@@ -265,3 +286,4 @@ struct insn_data
 };
 
 extern const struct insn_data insn_data[];
+extern int peep2_current_count;