1997-04-05 01:26:47 +00:00
|
|
|
/* ix87 specific frexp implementation for long double.
|
2014-01-01 11:03:15 +00:00
|
|
|
Copyright (C) 1997-2014 Free Software Foundation, Inc.
|
1997-04-05 01:26:47 +00:00
|
|
|
This file is part of the GNU C Library.
|
|
|
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
|
|
|
|
|
|
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
2001-07-06 04:58:11 +00:00
|
|
|
modify it under the terms of the GNU Lesser General Public
|
|
|
|
|
License as published by the Free Software Foundation; either
|
|
|
|
|
version 2.1 of the License, or (at your option) any later version.
|
1997-04-05 01:26:47 +00:00
|
|
|
|
|
|
|
|
The GNU C Library 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
|
2001-07-06 04:58:11 +00:00
|
|
|
Lesser General Public License for more details.
|
1997-04-05 01:26:47 +00:00
|
|
|
|
2001-07-06 04:58:11 +00:00
|
|
|
You should have received a copy of the GNU Lesser General Public
|
2012-02-09 23:18:22 +00:00
|
|
|
License along with the GNU C Library; if not, see
|
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
1997-04-05 01:26:47 +00:00
|
|
|
|
|
|
|
|
#include <machine/asm.h>
|
|
|
|
|
|
|
|
|
|
.section .rodata
|
|
|
|
|
|
|
|
|
|
.align ALIGNARG(4)
|
2012-08-02 19:04:29 +00:00
|
|
|
.type two64,@object
|
1997-04-05 01:26:47 +00:00
|
|
|
two64: .byte 0, 0, 0, 0, 0, 0, 0xf0, 0x43
|
|
|
|
|
ASM_SIZE_DIRECTIVE(two64)
|
|
|
|
|
|
|
|
|
|
#ifdef PIC
|
|
|
|
|
#define MO(op) op##@GOTOFF(%edx)
|
|
|
|
|
#else
|
|
|
|
|
#define MO(op) op
|
|
|
|
|
#endif
|
|
|
|
|
|
2013-02-21 22:21:52 +00:00
|
|
|
#define PARMS 4 /* no space for saved regs */
|
2000-08-17 07:36:19 +00:00
|
|
|
#define VAL0 PARMS
|
|
|
|
|
#define VAL1 VAL0+4
|
|
|
|
|
#define VAL2 VAL1+4
|
|
|
|
|
#define EXPP VAL2+4
|
|
|
|
|
|
1997-04-05 01:26:47 +00:00
|
|
|
.text
|
2013-02-21 22:21:52 +00:00
|
|
|
ENTRY (__frexpl)
|
2000-08-17 07:36:19 +00:00
|
|
|
|
|
|
|
|
movl VAL0(%esp), %ecx
|
|
|
|
|
movl VAL2(%esp), %eax
|
|
|
|
|
orl VAL1(%esp), %ecx
|
1997-04-05 01:26:47 +00:00
|
|
|
movl %eax, %edx
|
|
|
|
|
andl $0x7fff, %eax
|
|
|
|
|
orl %eax, %ecx
|
|
|
|
|
jz 1f
|
|
|
|
|
xorl %ecx, %ecx
|
|
|
|
|
cmpl $0x7fff, %eax
|
|
|
|
|
je 1f
|
|
|
|
|
|
|
|
|
|
cmpl $0, %eax
|
Update.
2001-06-04 Bruno Haible <haible@clisp.cons.org>
* iconv/loop.c (UNICODE_TAG_HANDLER): New macro.
* iconv/gconv_simple.c (__gconv_transform_internal_ascii): Invoke
UNICODE_TAG_HANDLER.
(__gconv_transform_internal_ucs2): Likewise.
(__gconv_transform_internal_ucs2reverse): Likewise.
* iconvdata/8bit-gap.c (BODY for TO_LOOP): Invoke UNICODE_TAG_HANDLER.
* iconvdata/8bit-generic.c (BODY for TO_LOOP): Likewise.
* iconvdata/ansi_x3.110.c (BODY for TO_LOOP): Likewise.
* iconvdata/big5.c (BODY for TO_LOOP): Likewise.
* iconvdata/big5hkscs.c (BODY for TO_LOOP): Likewise.
* iconvdata/cp1255.c (BODY for TO_LOOP): Likewise.
* iconvdata/cp1258.c (BODY for TO_LOOP): Likewise.
* iconvdata/euc-cn.c (BODY for TO_LOOP): Likewise.
* iconvdata/euc-jp.c (BODY for TO_LOOP): Likewise.
* iconvdata/euc-kr.c (BODY for TO_LOOP): Likewise.
* iconvdata/euc-tw.c (BODY for TO_LOOP): Likewise.
* iconvdata/gbk.c (BODY for TO_LOOP): Likewise.
* iconvdata/ibm930.c (BODY for TO_LOOP): Likewise.
* iconvdata/ibm932.c (BODY for TO_LOOP): Likewise.
* iconvdata/ibm933.c (BODY for TO_LOOP): Likewise.
* iconvdata/ibm935.c (BODY for TO_LOOP): Likewise.
* iconvdata/ibm937.c (BODY for TO_LOOP): Likewise.
* iconvdata/ibm939.c (BODY for TO_LOOP): Likewise.
* iconvdata/ibm943.c (BODY for TO_LOOP): Likewise.
* iconvdata/iso646.c (BODY for TO_LOOP): Likewise.
* iconvdata/iso8859-1.c (BODY for TO_LOOP): Likewise.
* iconvdata/iso_6937.c (BODY for TO_LOOP): Likewise.
* iconvdata/iso_6937-2.c (BODY for TO_LOOP): Likewise.
* iconvdata/iso-2022-cn.c (BODY for TO_LOOP): Likewise.
* iconvdata/iso-2022-cn-ext.c (BODY for TO_LOOP): Likewise.
* iconvdata/iso-2022-kr.c (BODY for TO_LOOP): Likewise.
* iconvdata/johab.c (BODY for TO_LOOP): Likewise.
* iconvdata/sjis.c (BODY for TO_LOOP): Likewise.
* iconvdata/t.61.c (BODY for TO_LOOP): Likewise.
* iconvdata/uhc.c (BODY for TO_LOOP): Likewise.
* iconvdata/unicode.c (BODY for TO_LOOP): Likewise.
* iconvdata/iso-2022-jp.c (TAG_none, TAG_language, TAG_language_j,
TAG_language_ja, TAG_language_k, TAG_language_ko, TAG_language_z,
TAG_language_zh, CURRENT_TAG_MASK): New enum values.
(EMIT_SHIFT_TO_INIT): Don't emit an escape sequence if ASCII_set
is already selected but set2 or tag are set.
(conversion): New enum type.
(cvlist_t): New type.
(CVLIST, CVLIST_FIRST, CVLIST_REST): New macros.
(conversion_lists): New array.
(BODY for TO_LOOP): Keep track of Unicode 3.1 language tag. If "ja",
prefer conversion to Japanese character sets. If "zh", prefer
conversion to GB2312. If "ko", prefer conversion to KSC5601. Small
optimizations.
(INIT_PARAMS): Add tag.
(UPDATE_PARAMS): Add tag.
2001-06-04 Bruno Haible <haible@clisp.cons.org>
* locale/programs/locfile.c (write_locale_data): Before creat(),
unlink the file, to avoid crashing the processes that mmap it. Change
a double slash to a single slash. Free fname in case of error return.
2001-06-02 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/fpu/s_frexpl.S (__frexpl): Mostly revert 2000-12-03
changes, do the special handling for denormal numbers, not for
normalized numbers (patch by <trevin@xmission.com>).
* math/test-misc.c (main): Test frexpl with denormal arguments.
2001-06-04 Jakub Jelinek <jakub@redhat.com>
* math/libm-test.inc (llround_test): Add two new llround tests.
* sysdeps/ieee754/ldbl-96/s_llroundl.c (__llroundl): Don't allow
overflow when rounding away from zero.
2001-06-04 Jakub Jelinek <jakub@redhat.com>
* math/Makefile (libm-calls): Add e_log2, w_log2, remove s_log2.
* math/math_private.h (__ieee754_log2, __ieee754_log2f,
__ieee754_log2l): New prototypes.
* sysdeps/generic/w_log2.c: New file.
* sysdeps/generic/w_log2f.c: New file.
* sysdeps/generic/w_log2l.c: New file.
* sysdeps/generic/s_log2l.c: Move...
* sysdeps/generic/e_log2l.c: ...to here. Rename to __ieee754_log2l.
* sysdeps/ieee754/k_standard.c (__kernel_standard): Handle log2(0)
and log2(x < 0).
* sysdeps/i386/fpu/s_log2.S: Move...
* sysdeps/i386/fpu/e_log2.S: ...to here. Rename to __ieee754_log2.
* sysdeps/i386/fpu/s_log2f.S: Move...
* sysdeps/i386/fpu/e_log2f.S: ...to here. Rename to __ieee754_log2f.
* sysdeps/i386/fpu/s_log2l.S: Move...
* sysdeps/i386/fpu/e_log2l.S: ...to here. Rename to __ieee754_log2l.
* sysdeps/m68k/fpu/s_log2.S: Move...
* sysdeps/m68k/fpu/e_log2.S: ...to here. Rename to __ieee754_log2.
* sysdeps/m68k/fpu/s_log2f.S: Move...
* sysdeps/m68k/fpu/e_log2f.S: ...to here. Rename to __ieee754_log2f.
* sysdeps/m68k/fpu/s_log2l.S: Move...
* sysdeps/m68k/fpu/e_log2l.S: ...to here. Rename to __ieee754_log2l.
* sysdeps/ieee754/dbl-64/s_log2.c: Move...
* sysdeps/ieee754/dbl-64/e_log2.c: ...to here. Rename to
__ieee754_log2.
* sysdeps/ieee754/flt-32/s_log2f.c: Move...
* sysdeps/ieee754/flt-32/e_log2f.c: ...to here. Rename to
__ieee754_log2f.
2001-06-04 Jakub Jelinek <jakub@redhat.com>
* sysdeps/generic/w_exp2.c (u_threshold): Lower threshold so that
even arguments which result in denormalized exp2 are accepted.
(__exp2): Arguments equal to u_threshold already result into
underflow.
* sysdeps/generic/w_exp2f.c (u_threshold, __exp2f): Likewise.
* sysdeps/generic/w_exp2l.c (u_threshold, __exp2l): Likewise.
* sysdeps/ieee754/dbl-64/e_exp2.c (__ieee754_exp2): Lomark was too
low, with corrected lowmark use greaterequal, not greater.
* sysdeps/ieee754/flt-32/e_exp2f.c (__ieee754_exp2f): Likewise.
2001-06-04 Jakub Jelinek <jakub@redhat.com>
* math/libm-test.inc (ilogb_test): Test that ilogb(+-Inf) == INT_MAX.
* sysdeps/i386/fpu/s_ilogb.S (__ilogb): Return INT_MAX for +-Inf.
* sysdeps/i386/fpu/s_ilogbf.S (__ilogbf): Likewise.
* sysdeps/i386/fpu/s_ilogbl.S (__ilogbl): Likewise.
* sysdeps/ieee754/dbl-64/s_ilogb.c (__ilogb): Likewise.
* sysdeps/ieee754/flt-32/s_ilogbf.c (__ilogbf): Likewise.
* sysdeps/ieee754/ldbl-128/s_ilogbl.c (__ilogbl): Likewise.
* sysdeps/ieee754/ldbl-96/s_ilogbl.c (__ilogbl): Likewise.
2001-06-04 Jakub Jelinek <jakub@redhat.com>
* sysdeps/generic/w_coshl.c (__coshl): Test if finite argument
gave non-finite result instead of using constant in generic
version.
* sysdeps/generic/w_coshf.c (__coshf): Likewise.
* sysdeps/generic/w_cosh.c (__cosh): Likewise.
* sysdeps/generic/w_exp10.c (o_threshold, u_threshold): Remove.
(__exp10): Test if finite argument gave non-finite result.
* sysdeps/generic/w_exp10f.c (o_threshold, u_threshold, __exp10f):
Likewise.
* sysdeps/generic/w_exp10l.c (o_threshold, u_threshold, __exp10l):
Likewise.
2001-06-04 Jakub Jelinek <jakub@redhat.com>
* sysdeps/ieee754/ldbl-96/e_coshl.c (__ieee754_coshl): Fix
overflow threshold constant (log(LDBL_MAX)+M_LN2l).
2001-05-29 Bruno Haible <haible@clisp.cons.org>
* locale/programs/ld-ctype.c (idx_table): New struct type.
(idx_table_init, idx_table_get, idx_table_add): New functions.
(MAX_CHARNAMES_IDX): Remove macro.
(locale_ctype_t): Change type of charnames_idx field.
(ctype_startup): Change initialization of charnames_idx field.
(find_idx): Use idx_table_get and idx_table_add for speed.
* locale/programs/charmap.c (charmap_new_char): Fix ucs4 value
computation of characters in a range.
2001-05-29 Bruno Haible <haible@clisp.cons.org>
* iconvdata/gb18030.c (__fourbyte_to_ucs1): Add mappings for <U03F4>,
<U03F5>.
(__ucs_to_gb18030_tab1): Likewise.
(BODY for FROM_LOOP): Add mapping for <U00010000>..<U0010FFFF>.
(BODY for TO_LOOP): Likewise.
* iconvdata/tst-table-charmap.sh: Update for charmaps containing
<U00xxxxxx> syntax.
* iconvdata/tst-table-from.c (bmp_only): New variable.
(utf8_decode): If bmp_only, don't return characters outside Unicode
plane 0.
(main): When testing UTF-8 or GB18030, set bmp_only to 1. Don't print
a conversion line if utf8_decode returns NULL.
* iconvdata/tst-table-to.c (main): When testing encodings other than
UTF-8 and GB18030, loop upto U+30000 instead of U+10000. Use UTF-8
instead of UCS-2 as input.
* iconvdata/tst-table.sh: For GB18030, use only the part < 0x10000
of the charmap.
2001-05-29 Bruno Haible <haible@clisp.cons.org>
* iconvdata/cns11643l1.c: Update to Unicode 3.1.
(__cns11643l1_to_ucs4_tab): Regenerated.
(__cns11643l1_from_ucs4_tab12): Regenerated.
* iconvdata/cns11643.c: Update to Unicode 3.1.
(__cns11643l14_to_ucs4_tab): Remove array.
(__cns11643l3_to_ucs4_tab, __cns11643l4_to_ucs4_tab,
__cns11643l5_to_ucs4_tab, __cns11643l6_to_ucs4_tab,
__cns11643l7_to_ucs4_tab, __cns11643l15_to_ucs4_tab): New arrays.
(__cns11643_from_ucs4p0_tab): Renamed from __cns11643_from_ucs4_tab.
(__cns11643_from_ucs4p2_tab): New array.
* iconvdata/cns11643.h (__cns11643l14_to_ucs4_tab): Remove declaration.
(__cns11643l3_to_ucs4_tab, __cns11643l4_to_ucs4_tab,
__cns11643l5_to_ucs4_tab, __cns11643l6_to_ucs4_tab,
__cns11643l7_to_ucs4_tab, __cns11643l15_to_ucs4_tab): New declarations.
(cns11643_to_ucs4): Treat planes 3, 4, 5, 6, 7, 15 instead of 14.
(__cns11643_from_ucs4_tab): Remove declaration.
(__cns11643_from_ucs4p0_tab, __cns11643_from_ucs4p2_tab): New
declarations.
(ucs4_to_cns11643): Update for new arrays. Treat U+3400..U+4DFF and
U+20000..U+2A6D6.
* iconvdata/cns11643l2.h (__cns11643_from_ucs4_tab): Remove
declaration.
(__cns11643_from_ucs4p0_tab): New declaration.
(ucs4_to_cns11643l2): Update for new arrays.
* iconvdata/iso-2022-cn-ext.c (BODY for FROM_LOOP): Handle planes
3 to 7.
(BODY for TO_LOOP): Handle planes 3 to 7, instead of plane 14.
* iconvdata/EUC-TW.irreversible: New file.
* iconvdata/tst-table.sh: Use it.
* iconvdata/Makefile (distribute): Add CP1255.irreversible,
CP1258.irreversible, EUC-TW.irreversible.
2001-05-29 Bruno Haible <haible@clisp.cons.org>
* locale/C-translit.h.in: Add transliterations for new Unicode 3.1
mathematical symbols.
2001-06-06 12:55:46 +00:00
|
|
|
jne 2f
|
2000-12-03 10:00:46 +00:00
|
|
|
|
2000-08-17 07:36:19 +00:00
|
|
|
fldt VAL0(%esp)
|
1997-04-05 01:26:47 +00:00
|
|
|
#ifdef PIC
|
2005-05-04 17:58:13 +00:00
|
|
|
LOAD_PIC_REG (dx)
|
1997-04-05 01:26:47 +00:00
|
|
|
#endif
|
2000-12-03 10:00:46 +00:00
|
|
|
|
1997-04-05 01:26:47 +00:00
|
|
|
fmull MO(two64) /* It's not necessary to use a 80bit factor */
|
|
|
|
|
movl $-64, %ecx
|
2000-08-17 07:36:19 +00:00
|
|
|
fstpt VAL0(%esp)
|
2000-12-02 18:22:43 +00:00
|
|
|
fwait
|
2000-08-17 07:36:19 +00:00
|
|
|
movl VAL2(%esp), %eax
|
1997-04-05 01:26:47 +00:00
|
|
|
movl %eax, %edx
|
|
|
|
|
andl $0x7fff, %eax
|
|
|
|
|
|
|
|
|
|
2: andl $0x8000, %edx
|
|
|
|
|
subl $16382, %eax
|
|
|
|
|
orl $0x3ffe, %edx
|
|
|
|
|
addl %eax, %ecx
|
2000-08-17 07:36:19 +00:00
|
|
|
movl %edx, VAL2(%esp)
|
1997-04-05 01:26:47 +00:00
|
|
|
|
|
|
|
|
/* Store %ecx in the variable pointed to by the second argument,
|
|
|
|
|
get the factor from the stack and return. */
|
2000-08-17 07:36:19 +00:00
|
|
|
1: movl EXPP(%esp), %eax
|
|
|
|
|
fldt VAL0(%esp)
|
1997-04-05 01:26:47 +00:00
|
|
|
movl %ecx, (%eax)
|
2000-08-17 07:36:19 +00:00
|
|
|
|
1997-04-05 01:26:47 +00:00
|
|
|
ret
|
2013-02-21 22:21:52 +00:00
|
|
|
END (__frexpl)
|
|
|
|
|
weak_alias (__frexpl, frexpl)
|
