Restore original scattering when the transform is not legal.

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

diff --git a/gcc/optabs.h b/gcc/optabs.h
index f4ddfa1..2cb8f67 100644 (file)
--- a/gcc/optabs.h
+++ b/gcc/optabs.h
@@ -1,5 +1,5 @@
 /* Definitions for code generation pass of GNU compiler.
-   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -43,29 +43,30 @@ struct optab_handlers
   enum insn_code insn_code;
 };
 
-struct optab
+struct optab_d
 {
   enum rtx_code code;
   const char *libcall_basename;
   char libcall_suffix;
-  void (*libcall_gen)(struct optab *, const char *name, char suffix, enum machine_mode);
+  void (*libcall_gen)(struct optab_d *, const char *name, char suffix,
+                     enum machine_mode);
   struct optab_handlers handlers[NUM_MACHINE_MODES];
 };
-typedef struct optab * optab;
+typedef struct optab_d * optab;
 
 /* A convert_optab is for some sort of conversion operation between
    modes.  The first array index is the destination mode, the second
    is the source mode.  */
-struct convert_optab
+struct convert_optab_d
 {
   enum rtx_code code;
   const char *libcall_basename;
-  void (*libcall_gen)(struct convert_optab *, const char *name,
+  void (*libcall_gen)(struct convert_optab_d *, const char *name,
                      enum machine_mode,
                      enum machine_mode);
   struct optab_handlers handlers[NUM_MACHINE_MODES][NUM_MACHINE_MODES];
 };
-typedef struct convert_optab *convert_optab;
+typedef struct convert_optab_d *convert_optab;
 
 /* Given an enum insn_code, access the function to construct
    the body of that kind of insn.  */
@@ -241,6 +242,8 @@ enum optab_index
   OTI_ldexp,
   /* Multiply floating-point number by integral power of radix */
   OTI_scalb,
+  /* Mantissa of a floating-point number */
+  OTI_significand,
   /* Radix-independent exponent */
   OTI_logb,
   OTI_ilogb,
@@ -369,7 +372,7 @@ enum optab_index
   OTI_MAX
 };
 
-extern struct optab optab_table[OTI_MAX];
+extern struct optab_d optab_table[OTI_MAX];
 
 #define ssadd_optab (&optab_table[OTI_ssadd])
 #define usadd_optab (&optab_table[OTI_usadd])
@@ -461,6 +464,7 @@ extern struct optab optab_table[OTI_MAX];
 #define expm1_optab (&optab_table[OTI_expm1])
 #define ldexp_optab (&optab_table[OTI_ldexp])
 #define scalb_optab (&optab_table[OTI_scalb])
+#define significand_optab (&optab_table[OTI_significand])
 #define logb_optab (&optab_table[OTI_logb])
 #define ilogb_optab (&optab_table[OTI_ilogb])
 #define log_optab (&optab_table[OTI_log])
@@ -571,7 +575,7 @@ enum convert_optab_index
   COI_MAX
 };
 
-extern struct convert_optab convert_optab_table[COI_MAX];
+extern struct convert_optab_d convert_optab_table[COI_MAX];
 
 #define sext_optab (&convert_optab_table[COI_sext])
 #define zext_optab (&convert_optab_table[COI_zext])
@@ -778,7 +782,6 @@ extern rtx expand_vec_shift_expr (tree, rtx);
        (&(optab)->handlers[(int) (mode)][(int) (mode2)])
 
 extern rtx optab_libfunc (optab optab, enum machine_mode mode);
-extern rtx optab_libfunc (optab optab, enum machine_mode mode);
 extern rtx convert_optab_libfunc (convert_optab optab, enum machine_mode mode1,
                                  enum machine_mode mode2);
 #endif /* GCC_OPTABS_H */