X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Frecog.h;h=f2b1f6e44048c3142d4ebd2fb2b52a39fab9119b;hb=8d40ea4504ee85e1a6b73103edb1776141d5d22e;hp=a7e22e6e349b0136b76a0d697492890cea7db47d;hpb=e9ff93b1e1540dfd1f609a92dfa66c27c673abfa;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/recog.h b/gcc/recog.h
index a7e22e6e349..f2b1f6e4404 100644
--- a/gcc/recog.h
+++ b/gcc/recog.h
@@ -1,6 +1,6 @@
 /* Declarations for interface to insn recognizer and insn-output.c.
    Copyright (C) 1987, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004,
-   2005, 2006, 2007 Free Software Foundation, Inc.
+   2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -72,7 +72,7 @@ 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 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);
@@ -87,6 +87,8 @@ 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 (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);
@@ -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;
 };