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Wrap

Text File | 1993-05-21 | 15.1 KB | 616 lines

=================================================================== RCS file: /net/acae127/home/bammi/etc/src/master/atari/lib/Changelo,v retrieving revision 1.92 diff -c -r1.92 Changelo *** 1.92 1993/03/29 03:13:26 --- Changelo 1993/05/21 12:52:46 *************** *** 3696,3698 **** --- 3696,3732 ---- left for a struct mem_chunk (plus a bit more). [+ roundup ++jrb ] ---------------------------- Patchlevel 88 --------------------------- + + memcmp.c:: andreas + should compare with unsigned char + + strr?chr.c:: andreas + should not depend on signedness + + memccpy.c and memcmp.c:: andreas + simplified + + math-68881.h:: ++jrb + sync up with gnu version. + + math.h:: ++jrb + change all #ifdef _M68881 to + #if defined(_M68881) || defined(__M6881__) + __M68881__ gets automatically defined when gcc -m68881 + + doprnt.c:: michal + Still, so far I found two bugs in floating point support. One + was introduced by Howard when he tried to catch garbled results from + floating point operations. He caught in the process also negative + zero and that was part of the reason why Scott got NaN. + + [in the part that check for overflows] + + _divdf3.cpp:: michal + The other part was a wrong branch in a division routine which + was giving a negative zero as a result of a division 0.0/1.0. + + _divdf3.cpp, _divsf3.cpp:: michal, olaff + Fixed sign for retinf, and retzero. + + ---------------------------- Patchlevel 89 --------------------------- =================================================================== RCS file: /net/acae127/home/bammi/etc/src/master/atari/lib/Makefile,v retrieving revision 1.17 diff -c -r1.17 Makefile *** 1.17 1992/10/09 20:32:44 --- Makefile 1993/05/21 12:52:49 *************** *** 70,76 **** endif ifneq (,$(findstring 68020,$(TARGET))) ! CC := $(CC) -m68020 endif ifneq (,$(findstring baserel,$(TARGET))) --- 70,76 ---- endif ifneq (,$(findstring 68020,$(TARGET))) ! CC := $(CC) -m68020 -m68881 endif ifneq (,$(findstring baserel,$(TARGET))) *************** *** 125,130 **** --- 125,131 ---- #all: lshort llong lgshort lglong top: lshort llong + #top: l020short l020long l020bshort l020blong lshort: $(MAKE) clean *************** *** 132,138 **** llong: $(MAKE) clean ! $(MAKE) install TARGET=long-int lgshort: $(MAKE) clean --- 133,139 ---- llong: $(MAKE) clean ! $(MAKE) install TARGET="long-int" lgshort: $(MAKE) clean *************** *** 144,154 **** l020short: $(MAKE) clean ! $(MAKE) install020 TARGET=68020 l020long: $(MAKE) clean ! $(MAKE) install020 TARGET="68020 long-int" lbshort: $(MAKE) clean --- 145,157 ---- l020short: $(MAKE) clean ! $(MAKE) install TARGET=68020 ! # $(MAKE) install020 TARGET=68020 l020long: $(MAKE) clean ! $(MAKE) install TARGET="68020 long-int" ! # $(MAKE) install020 TARGET="68020 long-int" lbshort: $(MAKE) clean *************** *** 158,163 **** --- 161,174 ---- $(MAKE) clean $(MAKE) install TARGET="long-int baserel" + l020bshort: + $(MAKE) clean + $(MAKE) install TARGET="68020 baserel" + + l020blong: + $(MAKE) clean + $(MAKE) install TARGET="68020 long-int baserel" + realclean: rm -f *.o *.olb rm -f core report =================================================================== RCS file: /net/acae127/home/bammi/etc/src/master/atari/lib/PatchLev.h,v retrieving revision 1.64 diff -c -r1.64 PatchLev.h *** 1.64 1993/03/29 03:13:29 --- PatchLev.h 1993/05/21 12:52:51 *************** *** 1,5 **** ! #define PatchLevel "88" /* * --- 1,5 ---- ! #define PatchLevel "89" /* * RCS file: /net/acae127/home/bammi/etc/src/master/atari/lib/mincl,v retrieving revision 1.26 diff -c -r1.26 mincl *** 1.26 1993/03/16 22:09:05 --- mincl 1993/05/21 12:52:54 *************** *** 5,23 **** _muldf3.o _mulsf3.o _mulsi3.o _negdf2.o _negsf2.o _normdf.o _normsf.o \ _truncdf.o _udivmod.o _umulsi3.o _fixsfsi.o _fltsisf.o _isnan.o - #GLIB2 = gnulib2.o - #GLIB2 = _adddi3.o _subdi3.o _muldi3.o _divdi3.o _moddi3.o _udivdi3.o \ - # _umoddi3.o _negdi2.o _anddi3.o _iordi3.o _xordi3.o _lshrdi3.o \ - # _lshldi3.o _ashldi3.o _ashrdi3.o _one_cmpldi2.o _bdiv.o _cmpdi2.o \ - # _ucmpdi2.o _fixunsdfdi.o _fixdfdi.o _floatdidf.o \ - # _fxussfsi.o _gccbcmp.o - GLIB2 = _muldi3.o _divdi3.o _moddi3.o _udivdi3.o _umoddi3.o _negdi2.o \ _lshrdi3.o _lshldi3.o _ashldi3.o _ashrdi3.o _udivmoddi4.o _cmpdi2.o \ _ucmpdi2.o _floatdidf.o _floatdisf.o _fixunsdfsi.o _fixunssfsi.o \ _fixunsdfdi.o _fixdfdi.o _fixunssfdi.o _fixsfdi.o _builtin_new.o \ _caps_New.o _builtin_del.o _trampoline.o __main.o _ctor_list.o \ ! _dtor_list.o GCC= $(GLIB1) $(GLIB2) \ ldexp.o frexp.o modf.o alloca.o setjmp.o osbind.o\ --- 5,16 ---- _muldf3.o _mulsf3.o _mulsi3.o _negdf2.o _negsf2.o _normdf.o _normsf.o \ _truncdf.o _udivmod.o _umulsi3.o _fixsfsi.o _fltsisf.o _isnan.o GLIB2 = _muldi3.o _divdi3.o _moddi3.o _udivdi3.o _umoddi3.o _negdi2.o \ _lshrdi3.o _lshldi3.o _ashldi3.o _ashrdi3.o _udivmoddi4.o _cmpdi2.o \ _ucmpdi2.o _floatdidf.o _floatdisf.o _fixunsdfsi.o _fixunssfsi.o \ _fixunsdfdi.o _fixdfdi.o _fixunssfdi.o _fixsfdi.o _builtin_new.o \ _caps_New.o _builtin_del.o _trampoline.o __main.o _ctor_list.o \ ! _dtor_list.o _ffsdi2.o GCC= $(GLIB1) $(GLIB2) \ ldexp.o frexp.o modf.o alloca.o setjmp.o osbind.o\ *************** *** 116,124 **** atof.o : flonum.h # ! # gnulib2 targets # ! # gnulib2 stuff (must be compiled with 32 bit ints) $(GLIB2): %.o: libgcc2.c longlong.h $(CC) $(CLFLAGS) -DL$* -c $< -o $@ --- 109,117 ---- atof.o : flonum.h # ! # libgcc2 targets # ! # libgcc2 stuff (must be compiled with 32 bit ints) $(GLIB2): %.o: libgcc2.c longlong.h $(CC) $(CLFLAGS) -DL$* -c $< -o $@ *************** *** 221,227 **** bcmp.o: ../h/stddef.h ../h/compiler.h ../h/string.h ../h/assert.h filbuf.o: ../h/stdio.h ../h/stdlib.h ../h/unistd.h ../h/memory.h lib.h filbuf.o: ../h/time.h - gnulib2.o: ../h/string.h ../h/compiler.h ../h/stddef.h putenv.o: ../h/stddef.h ../h/compiler.h ../h/string.h ../h/stdlib.h sysvar.o: ../h/support.h ../h/time.h ../h/osbind.h ../h/compiler.h sysvar.o: ../h/ostruct.h --- 214,219 ---- RCS file: /net/acae127/home/bammi/etc/src/master/atari/co/_divdf3.cpp,v retrieving revision 1.5 diff -c -r1.5 _divdf3.cpp *** 1.5 1993/03/01 17:33:59 --- _divdf3.cpp 1993/05/21 12:55:07 *************** *** 46,51 **** --- 46,54 ---- | | patched by Olaf Flebbe (flebbe@tat.physik.uni-tuebingen.de) | + | Revision 1.2.3 olaf 4-93 + | + Fixed sign for retinf, and retzero: it is in d2.w + | | Revision 1.2.2 olaf 12-92 | + added support for NaN and Infinites | + added support for -0 *************** *** 78,84 **** movel d6,d1 | d1 = v.exp swap d1 ! eorw d1,d2 | d2 = u.sign ^ v.sign (in bit 31) lsrw #4,d1 andw #0x07ff,d1 | kill sign bit --- 81,87 ---- movel d6,d1 | d1 = v.exp swap d1 ! eorw d1,d2 | d2 = u.sign ^ v.sign (in bit 15) lsrw #4,d1 andw #0x07ff,d1 | kill sign bit *************** *** 124,130 **** | Return Infinity with correct sign | retinf: clrl d1 ! tstl d2 bpl 0f movel #0xfff00000,d0 return: moveml sp@+,d2-d7 --- 127,133 ---- | Return Infinity with correct sign | retinf: clrl d1 ! tstw d2 bpl 0f movel #0xfff00000,d0 return: moveml sp@+,d2-d7 *************** *** 143,150 **** | retzero:clrl d0 | zero destination clrl d1 ! tstl d2 ! bmi return bset #31,d0 bra return | --- 146,153 ---- | retzero:clrl d0 | zero destination clrl d1 ! tstw d2 ! bge return bset #31,d0 bra return | =================================================================== RCS file: /net/acae127/home/bammi/etc/src/master/atari/co/_divsf3.cpp,v retrieving revision 1.5 diff -c -r1.5 _divsf3.cpp *** 1.5 1993/03/01 17:34:01 --- _divsf3.cpp 1993/05/21 12:55:08 *************** *** 45,50 **** --- 45,53 ---- | Based on a 80x86 floating point packet from comp.os.minix, written by P.Housel | patched by Olaf Flebbe (flebbe@tat.physik.uni-tuebingen.de) | + | Revision 1.2.3 olaf 5-93 + | + correct sign bug for retinf and retzero + | | Revision 1.2.2 olaf 12-92 | + added support for NaN and Infinites | + added support for -0 *************** *** 77,83 **** movel d5,d1 | d1 = v.exp swap d1 ! eorw d1,d2 | d2 = u.sign ^ v.sign (in bit 31) lsrw #7,d1 andw #0xff,d1 | kill sign bit --- 80,86 ---- movel d5,d1 | d1 = v.exp swap d1 ! eorw d1,d2 | d2 = u.sign ^ v.sign (in bit 15) lsrw #7,d1 andw #0xff,d1 | kill sign bit *************** *** 120,126 **** | | Return Infinity with correct sign | ! retinf: tstl d2 bpl 0f movel #0xff800000,d0 return: moveml sp@+,d2-d5 --- 123,129 ---- | | Return Infinity with correct sign | ! retinf: tstw d2 bpl 0f movel #0xff800000,d0 return: moveml sp@+,d2-d5 *************** *** 137,144 **** | Return correct signed zero | retzero:clrl d0 | zero destination ! tstl d2 ! bmi return bset #31,d0 bra return | --- 140,147 ---- | Return correct signed zero | retzero:clrl d0 | zero destination ! tstw d2 ! bge return bset #31,d0 bra return | =================================================================== RCS file: /net/acae127/home/bammi/etc/src/master/atari/co/doprnt.c,v retrieving revision 1.22 diff -c -r1.22 doprnt.c *** 1.22 1993/03/01 17:34:24 --- doprnt.c 1993/05/21 12:55:09 *************** *** 365,371 **** else softsign = 0; /* hyc: check for overflows ... */ ! if (((unsigned long)_dd.i[0] > INF_HI) || ((unsigned long)_dd.i[0] == INF_HI && (unsigned long)_dd.i[1] > INF_LO)) { --- 365,374 ---- else softsign = 0; /* hyc: check for overflows ... */ ! if ((((unsigned long)_dd.i[0] > INF_HI) && ! /* mj: check for a negative zero; it is not smaller than zero, so it ! was not negated */ ! (_dd.i[0] != 0x80000000 || _dd.i[1] != 0)) || ((unsigned long)_dd.i[0] == INF_HI && (unsigned long)_dd.i[1] > INF_LO)) { *************** *** 883,889 **** /* get an extra slot for rounding. */ t = ++startp; ! /* jrb -- #define DBL_EPSILON 1.1107651257113995e-16 /* mjr ++ / /* * get integer portion of number; put into the end of the buffer; the * .01 is added for modf(356.0 / 10, &integer) returning .59999999... --- 886,892 ---- /* get an extra slot for rounding. */ t = ++startp; ! /* jrb -- #define DBL_EPSILON 1.1107651257113995e-16 */ /* mjr ++ */ /* * get integer portion of number; put into the end of the buffer; the * .01 is added for modf(356.0 / 10, &integer) returning .59999999... =================================================================== RCS file: /net/acae127/home/bammi/etc/src/master/atari/co/memccpy.c,v retrieving revision 1.6 diff -c -r1.6 memccpy.c *** 1.6 1992/03/06 19:19:47 --- memccpy.c 1993/05/21 12:55:11 *************** *** 6,21 **** /* * memccpy - copy bytes up to a certain char * - * CHARBITS should be defined only if the compiler lacks "unsigned char". - * It should be a mask, e.g. 0377 for an 8-bit machine. */ - #ifndef CHARBITS - # define UNSCHAR(c) ((unsigned char)(c)) - #else - # define UNSCHAR(c) ((c)&CHARBITS) - #endif - void * memccpy(dst, src, ucharstop, size) void * dst; --- 6,13 ---- *************** *** 26,41 **** register char *d; register const char *s; register size_t n; - register int uc; if (size == 0) return(NULL); s = (const char *) src; d = (char *)dst; - uc = UNSCHAR(ucharstop); for (n = size; n > 0; n--) ! if (UNSCHAR(*d++ = *s++) == uc) return(d); return(NULL); --- 18,31 ---- register char *d; register const char *s; register size_t n; if (size == 0) return(NULL); s = (const char *) src; d = (char *)dst; for (n = size; n > 0; n--) ! if ((*d++ = *s++) == (char) ucharstop) return(d); return(NULL); =================================================================== RCS file: /net/acae127/home/bammi/etc/src/master/atari/co/memchr.c,v retrieving revision 1.5 diff -c -r1.5 memchr.c *** 1.5 1992/03/06 19:19:47 --- memchr.c 1993/05/21 12:55:12 *************** *** 5,21 **** /* * memchr - search for a byte - * - * CHARBITS should be defined only if the compiler lacks "unsigned char". - * It should be a mask, e.g. 0377 for an 8-bit machine. */ - #ifndef CHARBITS - # define UNSCHAR(c) ((unsigned char)(c)) - #else - # define UNSCHAR(c) ((c)&CHARBITS) - #endif - void * memchr(s, ucharwanted, size) const void * s; --- 5,12 ---- *************** *** 24,35 **** { register const char *scan; register size_t n; - register int uc; scan = (const char *) s; - uc = UNSCHAR(ucharwanted); for (n = size; n > 0; n--) ! if (UNSCHAR(*scan) == uc) return((void *)scan); else scan++; --- 15,24 ---- { register const char *scan; register size_t n; scan = (const char *) s; for (n = size; n > 0; n--) ! if (*scan == (char) ucharwanted) return((void *)scan); else scan++; =================================================================== RCS file: /net/acae127/home/bammi/etc/src/master/atari/co/memcmp.c,v retrieving revision 1.4 diff -c -r1.4 memcmp.c *** 1.4 1992/03/06 19:19:47 --- memcmp.c 1993/05/21 12:55:14 *************** *** 5,12 **** --- 5,21 ---- /* * memcmp - compare bytes + * + * CHARBITS should be defined only if the compiler lacks "unsigned char". + * It should be a mask, e.g. 0377 for an 8-bit machine. */ + #ifndef CHARBITS + # define UNSCHAR(c) ((unsigned char)(c)) + #else + # define UNSCHAR(c) ((c)&CHARBITS) + #endif + int /* <0, == 0, >0 */ memcmp(s1, s2, size) const void * s1; *************** *** 24,30 **** scan1++; scan2++; } else ! return(*scan1 - *scan2); return(0); } --- 33,39 ---- scan1++; scan2++; } else ! return(UNSCHAR (*scan1) - UNSCHAR (*scan2)); return(0); } =================================================================== RCS file: /net/acae127/home/bammi/etc/src/master/atari/co/strchr.c,v retrieving revision 1.9 diff -c -r1.9 strchr.c *** 1.9 1992/09/14 14:56:40 --- strchr.c 1993/05/21 12:55:15 *************** *** 27,33 **** /* * The odd placement of the two tests is so NUL is findable. */ ! while ((c = *s++) != charwanted) if (c == 0) return NULL; return((char *)--s); } --- 27,33 ---- /* * The odd placement of the two tests is so NUL is findable. */ ! while ((c = *s++) != (char) charwanted) if (c == 0) return NULL; return((char *)--s); } =================================================================== RCS file: /net/acae127/home/bammi/etc/src/master/atari/co/strrchr.c,v retrieving revision 1.10 diff -c -r1.10 strrchr.c *** 1.10 1992/10/09 20:35:29 --- strrchr.c 1993/05/21 12:55:17 *************** *** 26,34 **** place = NULL; while ((c = *s++) != 0) ! if (c == charwanted) place = s - 1; ! if (charwanted == '\0') return((char *)--s); return (char *)place; } --- 26,34 ---- place = NULL; while ((c = *s++) != 0) ! if (c == (char) charwanted) place = s - 1; ! if ((char) charwanted == '\0') return((char *)--s); return (char *)place; }