* emit-rtl.c (dconstm2, dconsthalf): New real constants.

[pf3gnuchains/gcc-fork.git] / gcc / libgcc2.h

diff --git a/gcc/libgcc2.h b/gcc/libgcc2.h
index ae6865f..09c1b08 100644 (file)
--- a/gcc/libgcc2.h
+++ b/gcc/libgcc2.h
@@ -1,57 +1,31 @@
 /* Header file for libgcc2.c.  */
-/* Copyright (C) 2000
+/* Copyright (C) 2000, 2001
    Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC 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 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.
 
-GNU CC 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.
+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 GNU CC; 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 COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.  */
 
-#ifndef __LIBGCC2_H__
-#define __LIBGCC2_H__
+#ifndef GCC_LIBGCC2_H
+#define GCC_LIBGCC2_H
 
 extern int __gcc_bcmp (const unsigned char *, const unsigned char *, size_t);
-extern void *__builtin_saveregs (void);
-extern void __dummy (void);
 extern void __clear_cache (char *, char *);
-extern void __pure_virtual (void) __attribute__ ((__noreturn__));
-extern void __terminate (void) __attribute__ ((__noreturn__));
-extern void __default_terminate (void) __attribute__ ((__noreturn__));
-extern void *__throw_type_match (void *, void *, void *);
-extern void __empty (void);
-extern void *__get_eh_context (void);
-extern void **__get_eh_info (void);
-extern void ***__get_dynamic_handler_chain (void);
-extern int __eh_rtime_match (void *);
-extern void __unwinding_cleanup (void);
-extern void __rethrow (void *);
-extern void __throw (void);
-extern void __sjthrow (void) __attribute__ ((__noreturn__));
-extern void __sjpopnthrow (void) __attribute__ ((__noreturn__));
 extern void __eprintf (const char *, const char *, unsigned int, const char *)
   __attribute__ ((__noreturn__));
-extern void *__eh_alloc (size_t);
-extern void __eh_free (void *);
-
-struct bb;
-extern void __bb_exit_func (void);
-extern void __bb_init_func (struct bb *);
-extern void __bb_fork_func (void);
-extern void __bb_trace_func (void);
-extern void __bb_trace_ret (void);
-extern void __bb_init_trace_func (struct bb *, unsigned long);
 
 struct exception_descriptor;
 extern short int __get_eh_table_language (struct exception_descriptor *);
@@ -163,7 +137,8 @@ typedef int word_type __attribute__ ((mode (__word__)));
 #define UDWtype        UTItype
 #define __NW(a,b)      __ ## a ## di ## b
 #define __NDW(a,b)     __ ## a ## ti ## b
-#elif MIN_UNITS_PER_WORD > 2 || LONG_LONG_TYPE_SIZE > 32
+#elif MIN_UNITS_PER_WORD > 2 \
+      || (MIN_UNITS_PER_WORD > 1 && LONG_LONG_TYPE_SIZE > 32)
 #define W_TYPE_SIZE (4 * BITS_PER_UNIT)
 #define Wtype  SItype
 #define UWtype USItype
@@ -195,6 +170,9 @@ typedef int word_type __attribute__ ((mode (__word__)));
 #define __NDW(a,b)     __ ## a ## hi ## b
 #endif
 
+#define Wtype_MAX ((Wtype)(((UWtype)1 << (W_TYPE_SIZE - 1)) - 1))
+#define Wtype_MIN (- Wtype_MAX - 1)
+
 #define __muldi3       __NDW(mul,3)
 #define __divdi3       __NDW(div,3)
 #define __udivdi3      __NDW(udiv,3)
@@ -204,7 +182,6 @@ typedef int word_type __attribute__ ((mode (__word__)));
 #define __lshrdi3      __NDW(lshr,3)
 #define __ashldi3      __NDW(ashl,3)
 #define __ashrdi3      __NDW(ashr,3)
-#define __ffsdi2       __NDW(ffs,2)
 #define __cmpdi2       __NDW(cmp,2)
 #define __ucmpdi2      __NDW(ucmp,2)
 #define __udivmoddi4   __NDW(udivmod,4)
@@ -225,6 +202,17 @@ typedef int word_type __attribute__ ((mode (__word__)));
 #define __fixunsdfSI   __NW(fixunsdf,)
 #define __fixunssfSI   __NW(fixunssf,)
 
+#define __ffsSI2       __NW(ffs,2)
+#define __clzSI2       __NW(clz,2)
+#define __ctzSI2       __NW(ctz,2)
+#define __popcountSI2  __NW(popcount,2)
+#define __paritySI2    __NW(parity,2)
+#define __ffsDI2       __NDW(ffs,2)
+#define __clzDI2       __NDW(clz,2)
+#define __ctzDI2       __NDW(ctz,2)
+#define __popcountDI2  __NDW(popcount,2)
+#define __parityDI2    __NDW(parity,2)
+
 extern DWtype __muldi3 (DWtype, DWtype);
 extern DWtype __divdi3 (DWtype, DWtype);
 extern UDWtype __udivdi3 (UDWtype, UDWtype);
@@ -245,7 +233,6 @@ extern DWtype __negdi2 (DWtype);
 extern DWtype __lshrdi3 (DWtype, word_type);
 extern DWtype __ashldi3 (DWtype, word_type);
 extern DWtype __ashrdi3 (DWtype, word_type);
-extern DWtype __ffsdi2 (DWtype);
 
 /* __udiv_w_sdiv is static inline when building other libgcc2 portions.  */
 #if (!defined(L_udivdi3) && !defined(L_divdi3) && \
@@ -312,4 +299,4 @@ typedef union
 
 #include "longlong.h"
 
-#endif /* __LIBGCC2_H__ */
+#endif /* ! GCC_LIBGCC2_H */