From 1f9ea4d0a40cca64d60cf4dab152349da7b9dddf Mon Sep 17 00:00:00 2001 From: kan Date: Sat, 19 May 2007 01:19:51 +0000 Subject: GCC 4.2.0 release. --- contrib/gcc/libgcc2.h | 206 +++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 161 insertions(+), 45 deletions(-) (limited to 'contrib/gcc/libgcc2.h') diff --git a/contrib/gcc/libgcc2.h b/contrib/gcc/libgcc2.h index 3e4f687..c13f0c7 100644 --- a/contrib/gcc/libgcc2.h +++ b/contrib/gcc/libgcc2.h @@ -1,5 +1,5 @@ /* Header file for libgcc2.c. */ -/* Copyright (C) 2000, 2001 +/* Copyright (C) 2000, 2001, 2004, 2005 Free Software Foundation, Inc. This file is part of GCC. @@ -16,8 +16,8 @@ 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. */ +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, @@ -30,6 +30,10 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #ifndef GCC_LIBGCC2_H #define GCC_LIBGCC2_H +#ifndef HIDE_EXPORTS +#pragma GCC visibility push(default) +#endif + extern int __gcc_bcmp (const unsigned char *, const unsigned char *, size_t); extern void __clear_cache (char *, char *); extern void __eprintf (const char *, const char *, unsigned int, const char *) @@ -47,12 +51,78 @@ extern short int __get_eh_table_version (struct exception_descriptor *); #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 MIN_UNITS_PER_WORD -#define MIN_UNITS_PER_WORD UNITS_PER_WORD +#ifndef LIBGCC2_HAS_SF_MODE +#define LIBGCC2_HAS_SF_MODE (BITS_PER_UNIT == 8) +#endif + +#ifndef LIBGCC2_HAS_DF_MODE +#define LIBGCC2_HAS_DF_MODE \ + (BITS_PER_UNIT == 8 \ + && (LIBGCC2_DOUBLE_TYPE_SIZE == 64 \ + || LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64)) +#endif + +#ifndef LIBGCC2_HAS_XF_MODE +#define LIBGCC2_HAS_XF_MODE \ + (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 80) +#endif + +#ifndef LIBGCC2_HAS_TF_MODE +#define LIBGCC2_HAS_TF_MODE \ + (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128) +#endif + +#ifndef SF_SIZE +#if LIBGCC2_HAS_SF_MODE +#define SF_SIZE FLT_MANT_DIG +#else +#define SF_SIZE 0 +#endif +#endif + +#ifndef DF_SIZE +#if LIBGCC2_HAS_DF_MODE +#if LIBGCC2_DOUBLE_TYPE_SIZE == 64 +#define DF_SIZE DBL_MANT_DIG +#elif LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64 +#define DF_SIZE LDBL_MANT_DIG +#else +#define DF_SIZE 0 +#endif +#else +#define DF_SIZE 0 +#endif +#endif + +#ifndef XF_SIZE +#if LIBGCC2_HAS_XF_MODE +#define XF_SIZE LDBL_MANT_DIG +#else +#define XF_SIZE 0 +#endif +#endif + +#ifndef TF_SIZE +#if LIBGCC2_HAS_TF_MODE +#define TF_SIZE LDBL_MANT_DIG +#else +#define TF_SIZE 0 +#endif +#endif + +/* FIXME: This #ifdef probably should be removed, ie. enable the test + for mips too. */ +#ifdef __powerpc__ +#define IS_IBM_EXTENDED(SIZE) (SIZE == 106) +#else +#define IS_IBM_EXTENDED(SIZE) 0 #endif /* In the first part of this file, we are interfacing to calls generated @@ -84,41 +154,23 @@ typedef unsigned int UTItype __attribute__ ((mode (TI))); #endif #endif -#if BITS_PER_UNIT == 8 - +#if LIBGCC2_HAS_SF_MODE typedef float SFtype __attribute__ ((mode (SF))); +typedef _Complex float SCtype __attribute__ ((mode (SC))); +#endif +#if LIBGCC2_HAS_DF_MODE typedef float DFtype __attribute__ ((mode (DF))); - -#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 +typedef _Complex float DCtype __attribute__ ((mode (DC))); +#endif +#if LIBGCC2_HAS_XF_MODE typedef float XFtype __attribute__ ((mode (XF))); +typedef _Complex float XCtype __attribute__ ((mode (XC))); #endif -#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128 +#if LIBGCC2_HAS_TF_MODE typedef float TFtype __attribute__ ((mode (TF))); +typedef _Complex float TCtype __attribute__ ((mode (TC))); #endif -#else /* BITS_PER_UNIT != 8 */ - -/* On dsp's there are usually qf/hf/tqf modes used instead of the above. - For now we don't support them in libgcc2.c. */ - -#undef L_fixdfdi -#undef L_fixsfdi -#undef L_fixtfdi -#undef L_fixunsdfdi -#undef L_fixunsdfsi -#undef L_fixunssfdi -#undef L_fixunssfsi -#undef L_fixunstfdi -#undef L_fixunsxfdi -#undef L_fixunsxfsi -#undef L_fixxfdi -#undef L_floatdidf -#undef L_floatdisf -#undef L_floatditf -#undef L_floatdixf - -#endif /* BITS_PER_UNIT != 8 */ - typedef int word_type __attribute__ ((mode (__word__))); /* Make sure that we don't accidentally use any normal C language built-in @@ -145,7 +197,7 @@ typedef int word_type __attribute__ ((mode (__word__))); 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 @@ -156,8 +208,7 @@ typedef int word_type __attribute__ ((mode (__word__))); #define __NW(a,b) __ ## a ## di ## b #define __NDW(a,b) __ ## a ## ti ## b #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 @@ -167,7 +218,7 @@ typedef int word_type __attribute__ ((mode (__word__))); #define UDWtype UDItype #define __NW(a,b) __ ## a ## si ## b #define __NDW(a,b) __ ## a ## di ## b -#elif MIN_UNITS_PER_WORD > 1 +#elif LIBGCC2_UNITS_PER_WORD == 2 #define W_TYPE_SIZE (2 * BITS_PER_UNIT) #define Wtype HItype #define UWtype UHItype @@ -192,6 +243,18 @@ typedef int word_type __attribute__ ((mode (__word__))); #define Wtype_MAX ((Wtype)(((UWtype)1 << (W_TYPE_SIZE - 1)) - 1)) #define Wtype_MIN (- Wtype_MAX - 1) +#if W_TYPE_SIZE == 8 +# define Wtype_MAXp1_F 0x1p8f +#elif W_TYPE_SIZE == 16 +# define Wtype_MAXp1_F 0x1p16f +#elif W_TYPE_SIZE == 32 +# define Wtype_MAXp1_F 0x1p32f +#elif W_TYPE_SIZE == 64 +# define Wtype_MAXp1_F 0x1p64f +#else +# error "expand the table" +#endif + #define __muldi3 __NDW(mul,3) #define __divdi3 __NDW(div,3) #define __udivdi3 __NDW(udiv,3) @@ -216,6 +279,10 @@ typedef int word_type __attribute__ ((mode (__word__))); #define __floatditf __NDW(float,tf) #define __floatdidf __NDW(float,df) #define __floatdisf __NDW(float,sf) +#define __floatundixf __NDW(floatun,xf) +#define __floatunditf __NDW(floatun,tf) +#define __floatundidf __NDW(floatun,df) +#define __floatundisf __NDW(floatun,sf) #define __fixunsxfSI __NW(fixunsxf,) #define __fixunstfSI __NW(fixunstf,) #define __fixunsdfSI __NW(fixunsdf,) @@ -292,29 +359,49 @@ extern SItype __mulvsi3 (SItype, SItype); extern SItype __negvsi2 (SItype); #endif /* COMPAT_SIMODE_TRAPPING_ARITHMETIC */ -#if BITS_PER_UNIT == 8 -extern DWtype __fixdfdi (DFtype); +#undef int +#if LIBGCC2_HAS_SF_MODE extern DWtype __fixsfdi (SFtype); -extern DFtype __floatdidf (DWtype); extern SFtype __floatdisf (DWtype); -extern UWtype __fixunsdfSI (DFtype); +extern SFtype __floatundisf (UDWtype); extern UWtype __fixunssfSI (SFtype); -extern DWtype __fixunsdfDI (DFtype); extern DWtype __fixunssfDI (SFtype); +extern SFtype __powisf2 (SFtype, int); +extern SCtype __divsc3 (SFtype, SFtype, SFtype, SFtype); +extern SCtype __mulsc3 (SFtype, SFtype, SFtype, SFtype); +#endif +#if LIBGCC2_HAS_DF_MODE +extern DWtype __fixdfdi (DFtype); +extern DFtype __floatdidf (DWtype); +extern DFtype __floatundidf (UDWtype); +extern UWtype __fixunsdfSI (DFtype); +extern DWtype __fixunsdfDI (DFtype); +extern DFtype __powidf2 (DFtype, int); +extern DCtype __divdc3 (DFtype, DFtype, DFtype, DFtype); +extern DCtype __muldc3 (DFtype, DFtype, DFtype, DFtype); +#endif -#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 +#if LIBGCC2_HAS_XF_MODE extern DWtype __fixxfdi (XFtype); extern DWtype __fixunsxfDI (XFtype); extern XFtype __floatdixf (DWtype); +extern XFtype __floatundixf (UDWtype); extern UWtype __fixunsxfSI (XFtype); +extern XFtype __powixf2 (XFtype, int); +extern XCtype __divxc3 (XFtype, XFtype, XFtype, XFtype); +extern XCtype __mulxc3 (XFtype, XFtype, XFtype, XFtype); #endif -#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128 +#if LIBGCC2_HAS_TF_MODE extern DWtype __fixunstfDI (TFtype); extern DWtype __fixtfdi (TFtype); extern TFtype __floatditf (DWtype); +extern TFtype __floatunditf (UDWtype); +extern TFtype __powitf2 (TFtype, int); +extern TCtype __divtc3 (TFtype, TFtype, TFtype, TFtype); +extern TCtype __multc3 (TFtype, TFtype, TFtype, TFtype); #endif -#endif /* BITS_PER_UNIT == 8 */ +#define int bogus_type /* DWstructs are pairs of Wtype values in the order determined by LIBGCC2_WORDS_BIG_ENDIAN. */ @@ -335,6 +422,35 @@ typedef union DWtype ll; } DWunion; +/* Defined for L_popcount_tab. Exported here because some targets may + want to use it for their own versions of the __popcount builtins. */ +extern const UQItype __popcount_tab[256]; + +/* 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 separate table for the __ctz builtins. */ +extern const UQItype __clz_tab[256]; + #include "longlong.h" +#undef int +extern int __clzDI2 (UDWtype); +extern int __clzSI2 (UWtype); +extern int __ctzSI2 (UWtype); +extern int __ffsSI2 (UWtype); +extern int __ffsDI2 (DWtype); +extern int __ctzDI2 (UDWtype); +extern int __popcountSI2 (UWtype); +extern int __popcountDI2 (UDWtype); +extern int __paritySI2 (UWtype); +extern int __parityDI2 (UDWtype); +#define int bogus_type + +extern void __enable_execute_stack (void *); + +#ifndef HIDE_EXPORTS +#pragma GCC visibility pop +#endif + #endif /* ! GCC_LIBGCC2_H */ -- cgit v1.1