/* Header file for libgcc2.c. */
-/* Copyright (C) 2000, 2001, 2004, 2005
+/* Copyright (C) 2000, 2001, 2004, 2005, 2009, 2010
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
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, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
-
-/* As a special exception, if you link this library with other files,
- some of which are compiled with GCC, to produce an executable,
- this library does not by itself cause the resulting executable
- to be covered by the GNU General Public License.
- This exception does not however invalidate any other reasons why
- the executable file might be covered by the GNU General Public License. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_LIBGCC2_H
#define GCC_LIBGCC2_H
extern void __eprintf (const char *, const char *, unsigned int, const char *)
__attribute__ ((__noreturn__));
-struct exception_descriptor;
-extern short int __get_eh_table_language (struct exception_descriptor *);
-extern short int __get_eh_table_version (struct exception_descriptor *);
-
-/* Permit the tm.h file to select the endianness to use just for this
- file. This is used when the endianness is determined when the
- compiler is run. */
-
-#ifndef LIBGCC2_WORDS_BIG_ENDIAN
-#define LIBGCC2_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
-#endif
-
-#ifndef LIBGCC2_DOUBLE_TYPE_SIZE
-#define LIBGCC2_DOUBLE_TYPE_SIZE DOUBLE_TYPE_SIZE
-#endif
#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
#endif
#ifndef LIBGCC2_HAS_DF_MODE
#define LIBGCC2_HAS_DF_MODE \
(BITS_PER_UNIT == 8 \
- && (LIBGCC2_DOUBLE_TYPE_SIZE == 64 \
+ && (__SIZEOF_DOUBLE__ * __CHAR_BIT__ == 64 \
|| LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64))
#endif
#ifndef DF_SIZE
#if LIBGCC2_HAS_DF_MODE
-#if LIBGCC2_DOUBLE_TYPE_SIZE == 64
+#if __SIZEOF_DOUBLE__ * __CHAR_BIT__ == 64
#define DF_SIZE DBL_MANT_DIG
#elif LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64
#define DF_SIZE LDBL_MANT_DIG
#endif
#endif
-#ifndef MIN_UNITS_PER_WORD
-#define MIN_UNITS_PER_WORD UNITS_PER_WORD
+/* FIXME: This #ifdef probably should be removed, ie. enable the test
+ for mips too. */
+/* Don't use IBM Extended Double TFmode for TI->SF calculations.
+ The conversion from long double to float suffers from double
+ rounding, because we convert via double. In other cases, going
+ through the software fp routines is much slower than the fallback. */
+#ifdef __powerpc__
+#define AVOID_FP_TYPE_CONVERSION(SIZE) (SIZE == 106)
+#elif defined(WIDEST_HARDWARE_FP_SIZE)
+#define AVOID_FP_TYPE_CONVERSION(SIZE) (SIZE > WIDEST_HARDWARE_FP_SIZE)
+#else
+#define AVOID_FP_TYPE_CONVERSION(SIZE) 0
#endif
/* In the first part of this file, we are interfacing to calls generated
/* These typedefs are usually forbidden on dsp's with UNITS_PER_WORD 1. */
typedef int SItype __attribute__ ((mode (SI)));
typedef unsigned int USItype __attribute__ ((mode (SI)));
-#if LONG_LONG_TYPE_SIZE > 32
+#if __SIZEOF_LONG_LONG__ > 4
/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 2. */
typedef int DItype __attribute__ ((mode (DI)));
typedef unsigned int UDItype __attribute__ ((mode (DI)));
typedef _Complex float TCtype __attribute__ ((mode (TC)));
#endif
-typedef int word_type __attribute__ ((mode (__word__)));
+typedef int cmp_return_type __attribute__((mode (__libgcc_cmp_return__)));
+typedef int shift_count_type __attribute__((mode (__libgcc_shift_count__)));
/* Make sure that we don't accidentally use any normal C language built-in
type names in the first part of this file. Instead we want to use *only*
turns out that no platform would define COMPAT_DIMODE_TRAPPING_ARITHMETIC
if it existed. */
-#if MIN_UNITS_PER_WORD > 4
+#if LIBGCC2_UNITS_PER_WORD == 8
#define W_TYPE_SIZE (8 * BITS_PER_UNIT)
#define Wtype DItype
#define UWtype UDItype
#define UHWtype UDItype
#define DWtype TItype
#define UDWtype UTItype
+#ifdef LIBGCC2_GNU_PREFIX
+#define __NW(a,b) __gnu_ ## a ## di ## b
+#define __NDW(a,b) __gnu_ ## a ## ti ## b
+#else
#define __NW(a,b) __ ## a ## di ## b
#define __NDW(a,b) __ ## a ## ti ## b
+#endif
#define COMPAT_SIMODE_TRAPPING_ARITHMETIC
-#elif MIN_UNITS_PER_WORD > 2 \
- || (MIN_UNITS_PER_WORD > 1 && LONG_LONG_TYPE_SIZE > 32)
+#elif LIBGCC2_UNITS_PER_WORD == 4
#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
#define Wtype SItype
#define UWtype USItype
#define UHWtype USItype
#define DWtype DItype
#define UDWtype UDItype
+#ifdef LIBGCC2_GNU_PREFIX
+#define __NW(a,b) __gnu_ ## a ## si ## b
+#define __NDW(a,b) __gnu_ ## a ## di ## b
+#else
#define __NW(a,b) __ ## a ## si ## b
#define __NDW(a,b) __ ## a ## di ## b
-#elif MIN_UNITS_PER_WORD > 1
+#endif
+#elif LIBGCC2_UNITS_PER_WORD == 2
#define W_TYPE_SIZE (2 * BITS_PER_UNIT)
#define Wtype HItype
#define UWtype UHItype
#define UHWtype UHItype
#define DWtype SItype
#define UDWtype USItype
+#ifdef LIBGCC2_GNU_PREFIX
+#define __NW(a,b) __gnu_ ## a ## hi ## b
+#define __NDW(a,b) __gnu_ ## a ## si ## b
+#else
#define __NW(a,b) __ ## a ## hi ## b
#define __NDW(a,b) __ ## a ## si ## b
+#endif
#else
#define W_TYPE_SIZE BITS_PER_UNIT
#define Wtype QItype
#define UHWtype UQItype
#define DWtype HItype
#define UDWtype UHItype
+#ifdef LIBGCC2_GNU_PREFIX
+#define __NW(a,b) __gnu_ ## a ## qi ## b
+#define __NDW(a,b) __gnu_ ## a ## hi ## b
+#else
#define __NW(a,b) __ ## a ## qi ## b
#define __NDW(a,b) __ ## a ## hi ## b
#endif
+#endif
+#ifdef LIBGCC2_GNU_PREFIX
+#define __N(a) __gnu_ ## a
+#else
+#define __N(a) __ ## a
+#endif
#define Wtype_MAX ((Wtype)(((UWtype)1 << (W_TYPE_SIZE - 1)) - 1))
#define Wtype_MIN (- Wtype_MAX - 1)
#define __ffsSI2 __NW(ffs,2)
#define __clzSI2 __NW(clz,2)
#define __ctzSI2 __NW(ctz,2)
+#define __clrsbSI2 __NW(clrsb,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 __clrsbDI2 __NDW(clrsb,2)
#define __popcountDI2 __NDW(popcount,2)
#define __parityDI2 __NDW(parity,2)
+#define __clz_tab __N(clz_tab)
+#define __bswapsi2 __N(bswapsi2)
+#define __bswapdi2 __N(bswapdi2)
+#define __udiv_w_sdiv __N(udiv_w_sdiv)
+#define __clear_cache __N(clear_cache)
+#define __enable_execute_stack __N(enable_execute_stack)
+
+#ifndef __powisf2
+#define __powisf2 __N(powisf2)
+#endif
+#ifndef __powidf2
+#define __powidf2 __N(powidf2)
+#endif
+#ifndef __powitf2
+#define __powitf2 __N(powitf2)
+#endif
+#ifndef __powixf2
+#define __powixf2 __N(powixf2)
+#endif
+#ifndef __mulsc3
+#define __mulsc3 __N(mulsc3)
+#endif
+#ifndef __muldc3
+#define __muldc3 __N(muldc3)
+#endif
+#ifndef __mulxc3
+#define __mulxc3 __N(mulxc3)
+#endif
+#ifndef __multc3
+#define __multc3 __N(multc3)
+#endif
+#ifndef __divsc3
+#define __divsc3 __N(divsc3)
+#endif
+#ifndef __divdc3
+#define __divdc3 __N(divdc3)
+#endif
+#ifndef __divxc3
+#define __divxc3 __N(divxc3)
+#endif
+#ifndef __divtc3
+#define __divtc3 __N(divtc3)
+#endif
+
extern DWtype __muldi3 (DWtype, DWtype);
extern DWtype __divdi3 (DWtype, DWtype);
extern UDWtype __udivdi3 (UDWtype, UDWtype);
extern DWtype __negdi2 (DWtype);
#endif
-extern DWtype __lshrdi3 (DWtype, word_type);
-extern DWtype __ashldi3 (DWtype, word_type);
-extern DWtype __ashrdi3 (DWtype, word_type);
+extern DWtype __lshrdi3 (DWtype, shift_count_type);
+extern DWtype __ashldi3 (DWtype, shift_count_type);
+extern DWtype __ashrdi3 (DWtype, shift_count_type);
/* __udiv_w_sdiv is static inline when building other libgcc2 portions. */
#if (!defined(L_udivdi3) && !defined(L_divdi3) && \
extern UWtype __udiv_w_sdiv (UWtype *, UWtype, UWtype, UWtype);
#endif
-extern word_type __cmpdi2 (DWtype, DWtype);
-extern word_type __ucmpdi2 (DWtype, DWtype);
+extern cmp_return_type __cmpdi2 (DWtype, DWtype);
+extern cmp_return_type __ucmpdi2 (DWtype, DWtype);
+
+#if MIN_UNITS_PER_WORD > 1
+extern SItype __bswapsi2 (SItype);
+#endif
+#if __SIZEOF_LONG_LONG__ > 4
+extern DItype __bswapdi2 (DItype);
+#endif
extern Wtype __absvSI2 (Wtype);
extern Wtype __addvSI3 (Wtype, Wtype);
extern DWtype __negvDI2 (DWtype);
#ifdef COMPAT_SIMODE_TRAPPING_ARITHMETIC
+#define __absvsi2 __N(absvsi2)
+#define __negvsi2 __N(negvsi2)
+#define __addvsi3 __N(addvsi3)
+#define __subvsi3 __N(subvsi3)
+#define __mulvsi3 __N(mulvsi3)
+
extern SItype __absvsi2 (SItype);
extern SItype __addvsi3 (SItype, SItype);
extern SItype __subvsi3 (SItype, SItype);
extern SFtype __floatdisf (DWtype);
extern SFtype __floatundisf (UDWtype);
extern UWtype __fixunssfSI (SFtype);
-extern DWtype __fixunssfDI (SFtype);
+extern UDWtype __fixunssfDI (SFtype);
extern SFtype __powisf2 (SFtype, int);
extern SCtype __divsc3 (SFtype, SFtype, SFtype, SFtype);
extern SCtype __mulsc3 (SFtype, SFtype, SFtype, SFtype);
extern DFtype __floatdidf (DWtype);
extern DFtype __floatundidf (UDWtype);
extern UWtype __fixunsdfSI (DFtype);
-extern DWtype __fixunsdfDI (DFtype);
+extern UDWtype __fixunsdfDI (DFtype);
extern DFtype __powidf2 (DFtype, int);
extern DCtype __divdc3 (DFtype, DFtype, DFtype, DFtype);
extern DCtype __muldc3 (DFtype, DFtype, DFtype, DFtype);
#if LIBGCC2_HAS_XF_MODE
extern DWtype __fixxfdi (XFtype);
-extern DWtype __fixunsxfDI (XFtype);
+extern UDWtype __fixunsxfDI (XFtype);
extern XFtype __floatdixf (DWtype);
extern XFtype __floatundixf (UDWtype);
extern UWtype __fixunsxfSI (XFtype);
#endif
#if LIBGCC2_HAS_TF_MODE
-extern DWtype __fixunstfDI (TFtype);
+extern UDWtype __fixunstfDI (TFtype);
extern DWtype __fixtfdi (TFtype);
extern TFtype __floatditf (DWtype);
extern TFtype __floatunditf (UDWtype);
#define int bogus_type
/* DWstructs are pairs of Wtype values in the order determined by
- LIBGCC2_WORDS_BIG_ENDIAN. */
+ __BYTE_ORDER__. */
-#if LIBGCC2_WORDS_BIG_ENDIAN
+#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
struct DWstruct {Wtype high, low;};
#else
struct DWstruct {Wtype low, high;};
/* Defined for L_clz. Exported here because some targets may want to use
it for their own versions of the __clz builtins. It contains the bit
position of the first set bit for the numbers 0 - 255. This avoids the
- need for a seperate table for the __ctz builtins. */
+ need for a separate table for the __ctz builtins. */
extern const UQItype __clz_tab[256];
#include "longlong.h"
extern int __clzDI2 (UDWtype);
extern int __clzSI2 (UWtype);
extern int __ctzSI2 (UWtype);
+extern int __ctzDI2 (UDWtype);
+extern int __clrsbSI2 (Wtype);
+extern int __clrsbDI2 (DWtype);
extern int __ffsSI2 (UWtype);
extern int __ffsDI2 (DWtype);
-extern int __ctzDI2 (UDWtype);
extern int __popcountSI2 (UWtype);
extern int __popcountDI2 (UDWtype);
extern int __paritySI2 (UWtype);
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