* id.po: Update.

[pf3gnuchains/gcc-fork.git] / gcc / recog.h

diff --git a/gcc/recog.h b/gcc/recog.h
index ff96e47..3354a66 100644 (file)
--- a/gcc/recog.h
+++ b/gcc/recog.h
@@ -1,12 +1,12 @@
 /* Declarations for interface to insn recognizer and insn-output.c.
 /* Declarations for interface to insn recognizer and insn-output.c.

-   Copyright (C) 1987, 1996, 1997, 1998, 1999, 2000, 2001
-   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
 
 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
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY


@@ -15,14 +15,11 @@ 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
 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
 
 /* Random number that should be large enough for all purposes.  */
 #define MAX_RECOG_ALTERNATIVES 30

-#define recog_memoized(I) (INSN_CODE (I) >= 0 \
-                          ? INSN_CODE (I) : recog_memoized_1 (I))

 
 /* Types of operands.  */
 enum op_type {
 
 /* Types of operands.  */
 enum op_type {


@@ -38,7 +35,7 @@ struct operand_alternative
   const char *constraint;
 
   /* The register class valid for this alternative (possibly NO_REGS).  */
   const char *constraint;
 
   /* The register class valid for this alternative (possibly NO_REGS).  */

-  enum reg_class class;
+  enum reg_class cl;

 
   /* "Badness" of this alternative, computed from number of '?' and '!'
      characters in the constraint string.  */
 
   /* "Badness" of this alternative, computed from number of '?' and '!'
      characters in the constraint string.  */


@@ -53,10 +50,11 @@ struct operand_alternative
 
   /* Nonzero if '&' was found in the constraint string.  */
   unsigned int earlyclobber:1;
 
   /* Nonzero if '&' was found in the constraint string.  */
   unsigned int earlyclobber:1;

-  /* Nonzero if 'm' was found in the constraint string.  */
-  unsigned int memory_ok:1;  
+  /* 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.  */
   /* Nonzero if 'o' was found in the constraint string.  */

-  unsigned int offmem_ok:1;  
+  unsigned int offmem_ok:1;

   /* Nonzero if 'V' was found in the constraint string.  */
   unsigned int nonoffmem_ok:1;
   /* Nonzero if '<' was found in the constraint string.  */
   /* Nonzero if 'V' was found in the constraint string.  */
   unsigned int nonoffmem_ok:1;
   /* Nonzero if '<' was found in the constraint string.  */


@@ -71,71 +69,104 @@ struct operand_alternative
 };
 
 
 };
 
 

-extern void init_recog                 PARAMS ((void));
-extern void init_recog_no_volatile     PARAMS ((void));
-extern int recog_memoized_1            PARAMS ((rtx));
-extern int check_asm_operands          PARAMS ((rtx));
-extern int asm_operand_ok              PARAMS ((rtx, const char *));
-extern int validate_change             PARAMS ((rtx, rtx *, rtx, int));
-extern int insn_invalid_p              PARAMS ((rtx));
-extern int apply_change_group          PARAMS ((void));
-extern int num_validated_changes       PARAMS ((void));
-extern void cancel_changes             PARAMS ((int));
-extern int constrain_operands          PARAMS ((int));
-extern int constrain_operands_cached   PARAMS ((int));
-extern int memory_address_p            PARAMS ((enum machine_mode, rtx));
-extern int strict_memory_address_p     PARAMS ((enum machine_mode, rtx));
-extern int validate_replace_rtx_subexp PARAMS ((rtx, rtx, rtx, rtx *));
-extern int validate_replace_rtx                PARAMS ((rtx, rtx, rtx));
-extern void validate_replace_rtx_group PARAMS ((rtx, rtx, rtx));
-extern int validate_replace_src                PARAMS ((rtx, rtx, rtx));
+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 *, 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);
+extern void cancel_changes (int);
+extern int constrain_operands (int);
+extern int constrain_operands_cached (int);
+extern int memory_address_addr_space_p (enum machine_mode, rtx, addr_space_t);
+#define memory_address_p(mode,addr) \
+       memory_address_addr_space_p ((mode), (addr), ADDR_SPACE_GENERIC)
+extern int strict_memory_address_addr_space_p (enum machine_mode, rtx,
+                                              addr_space_t);
+#define strict_memory_address_p(mode,addr) \
+       strict_memory_address_addr_space_p ((mode), (addr), ADDR_SPACE_GENERIC)
+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
 #ifdef HAVE_cc0

-extern int next_insn_tests_no_inequality PARAMS ((rtx));
+extern int next_insn_tests_no_inequality (rtx);

 #endif
 #endif

-extern int reg_fits_class_p            PARAMS ((rtx, enum reg_class, int,
-                                              enum machine_mode));
-extern rtx *find_single_use            PARAMS ((rtx, rtx, rtx *));
-
-extern int general_operand             PARAMS ((rtx, enum machine_mode));
-extern int address_operand             PARAMS ((rtx, enum machine_mode));
-extern int register_operand            PARAMS ((rtx, enum machine_mode));
-extern int pmode_register_operand      PARAMS ((rtx, enum machine_mode));
-extern int scratch_operand             PARAMS ((rtx, enum machine_mode));
-extern int immediate_operand           PARAMS ((rtx, enum machine_mode));
-extern int const_int_operand           PARAMS ((rtx, enum machine_mode));
-extern int const_double_operand                PARAMS ((rtx, enum machine_mode));
-extern int nonimmediate_operand                PARAMS ((rtx, enum machine_mode));
-extern int nonmemory_operand           PARAMS ((rtx, enum machine_mode));
-extern int push_operand                        PARAMS ((rtx, enum machine_mode));
-extern int pop_operand                 PARAMS ((rtx, enum machine_mode));
-extern int memory_operand              PARAMS ((rtx, enum machine_mode));
-extern int indirect_operand            PARAMS ((rtx, enum machine_mode));
-extern int mode_independent_operand    PARAMS ((rtx, enum machine_mode));
-extern int comparison_operator         PARAMS ((rtx, enum machine_mode));
-
-extern int offsettable_memref_p                PARAMS ((rtx));
-extern int offsettable_nonstrict_memref_p      PARAMS ((rtx));
-extern int offsettable_address_p       PARAMS ((int, enum machine_mode, rtx));
-extern int mode_dependent_address_p    PARAMS ((rtx));
-
-extern int recog                       PARAMS ((rtx, rtx, int *));
-extern void add_clobbers               PARAMS ((rtx, int));
-extern int added_clobbers_hard_reg_p   PARAMS ((int));
-extern void insn_extract               PARAMS ((rtx));
-extern void extract_insn               PARAMS ((rtx));
-extern void extract_constrain_insn_cached PARAMS ((rtx));
-extern void extract_insn_cached                PARAMS ((rtx));
-extern void preprocess_constraints     PARAMS ((void));
-extern rtx peep2_next_insn             PARAMS ((int));
-extern int peep2_regno_dead_p          PARAMS ((int, int));
-extern int peep2_reg_dead_p            PARAMS ((int, rtx));
+extern int reg_fits_class_p (rtx, enum reg_class, int, enum machine_mode);
+
+extern int offsettable_memref_p (rtx);
+extern int offsettable_nonstrict_memref_p (rtx);
+extern int offsettable_address_addr_space_p (int, enum machine_mode, rtx,
+                                            addr_space_t);
+#define offsettable_address_p(strict,mode,addr) \
+       offsettable_address_addr_space_p ((strict), (mode), (addr), \
+                                         ADDR_SPACE_GENERIC)
+extern int mode_dependent_address_p (rtx);
+
+extern int recog (rtx, rtx, int *);
+#ifndef GENERATOR_FILE
+static inline int recog_memoized (rtx insn);
+#endif
+extern void add_clobbers (rtx, int);
+extern int added_clobbers_hard_reg_p (int);
+extern void insn_extract (rtx);
+extern void extract_insn (rtx);
+extern void extract_constrain_insn_cached (rtx);
+extern void extract_insn_cached (rtx);
+extern void preprocess_constraints (void);
+extern rtx peep2_next_insn (int);
+extern int peep2_regno_dead_p (int, int);
+extern int peep2_reg_dead_p (int, rtx);

 #ifdef CLEAR_HARD_REG_SET
 #ifdef CLEAR_HARD_REG_SET

-extern rtx peep2_find_free_register    PARAMS ((int, int, const char *,
-                                                enum machine_mode,
-                                                HARD_REG_SET *));
+extern rtx peep2_find_free_register (int, int, const char *,
+                                    enum machine_mode, HARD_REG_SET *);

 #endif
 #endif

-extern void peephole2_optimize         PARAMS ((FILE *));
-extern rtx peephole2_insns             PARAMS ((rtx, rtx, int *));
+extern rtx peephole2_insns (rtx, rtx, int *);
+
+extern int store_data_bypass_p (rtx, rtx);
+extern int if_test_bypass_p (rtx, rtx);
+
+#ifndef GENERATOR_FILE
+/* Try recognizing the instruction INSN,
+   and return the code number that results.
+   Remember the code so that repeated calls do not
+   need to spend the time for actual rerecognition.
+
+   This function is the normal interface to instruction recognition.
+   The automatically-generated function `recog' is normally called
+   through this one.  */
+
+static inline int
+recog_memoized (rtx insn)
+{
+  if (INSN_CODE (insn) < 0)
+    INSN_CODE (insn) = recog (PATTERN (insn), insn, 0);
+  return INSN_CODE (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;
 
 /* Nonzero means volatile operands are recognized.  */
 extern int volatile_ok;


@@ -178,7 +209,7 @@ struct recog_data
   char dup_num[MAX_DUP_OPERANDS];
 
   /* ??? Note that these are `char' instead of `unsigned char' to (try to)
   char dup_num[MAX_DUP_OPERANDS];
 
   /* ??? Note that these are `char' instead of `unsigned char' to (try to)

-     avoid certain lossage from K&R C, wherein `unsigned char' default 
+     avoid certain lossage from K&R C, wherein `unsigned char' default

      promotes to `unsigned int' instead of `int' as in ISO C.  As of 1999,
      the most common places to bootstrap from K&R C are SunOS and HPUX,
      both of which have signed characters by default.  The only other
      promotes to `unsigned int' instead of `int' as in ISO C.  As of 1999,
      the most common places to bootstrap from K&R C are SunOS and HPUX,
      both of which have signed characters by default.  The only other


@@ -196,6 +227,12 @@ struct recog_data
   /* The number of alternatives in the constraints for the insn.  */
   char n_alternatives;
 
   /* 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;
 };
   /* In case we are caching, hold insn data was generated for.  */
   rtx insn;
 };


@@ -209,9 +246,9 @@ extern struct operand_alternative recog_op_alt[MAX_RECOG_OPERANDS][MAX_RECOG_ALT
 /* A table defined in insn-output.c that give information about
    each insn-code value.  */
 
 /* A table defined in insn-output.c that give information about
    each insn-code value.  */
 

-typedef int (*insn_operand_predicate_fn) PARAMS ((rtx, enum machine_mode));
-typedef const char * (*insn_output_fn) PARAMS ((rtx *, rtx));
-typedef rtx (*insn_gen_fn) PARAMS ((rtx, ...));
+typedef int (*insn_operand_predicate_fn) (rtx, enum machine_mode);
+typedef const char * (*insn_output_fn) (rtx *, rtx);
+typedef rtx (*insn_gen_fn) (rtx, ...);

 
 struct insn_operand_data
 {
 
 struct insn_operand_data
 {


@@ -219,7 +256,7 @@ struct insn_operand_data
 
   const char *const constraint;
 
 
   const char *const constraint;
 

-  const ENUM_BITFIELD(machine_mode) mode : 16;
+  ENUM_BITFIELD(machine_mode) const mode : 16;

 
   const char strict_low;
 
 
   const char strict_low;
 


@@ -236,7 +273,19 @@ struct insn_operand_data
 struct insn_data
 {
   const char *const name;
 struct insn_data
 {
   const char *const name;

-  const PTR output;
+#if HAVE_DESIGNATED_INITIALIZERS
+  union {
+    const char *single;
+    const char *const *multi;
+    insn_output_fn function;
+  } output;
+#else
+  struct {
+    const char *single;
+    const char *const *multi;
+    insn_output_fn function;
+  } output;
+#endif

   const insn_gen_fn genfun;
   const struct insn_operand_data *const operand;
 
   const insn_gen_fn genfun;
   const struct insn_operand_data *const operand;
 


@@ -247,3 +296,4 @@ struct insn_data
 };
 
 extern const struct insn_data insn_data[];
 };
 
 extern const struct insn_data insn_data[];

+extern int peep2_current_count;