about summary refs log tree commit diff
path: root/sysdeps/i386/fpu
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2001-06-06 12:55:46 +0000
committerUlrich Drepper <drepper@redhat.com>2001-06-06 12:55:46 +0000
commit601d294296e1de9fc423700db00bccc04a2bf50d (patch)
tree1d274eb4e512431b042e07bf8f8ff4a980407257 /sysdeps/i386/fpu
parent9a1f675436c5622b7846faa25274a2ef2d743285 (diff)
downloadglibc-601d294296e1de9fc423700db00bccc04a2bf50d.tar.gz
glibc-601d294296e1de9fc423700db00bccc04a2bf50d.tar.xz
glibc-601d294296e1de9fc423700db00bccc04a2bf50d.zip
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.
Diffstat (limited to 'sysdeps/i386/fpu')
-rw-r--r--sysdeps/i386/fpu/e_log2.S (renamed from sysdeps/i386/fpu/s_log2.S)5
-rw-r--r--sysdeps/i386/fpu/e_log2f.S (renamed from sysdeps/i386/fpu/s_log2f.S)5
-rw-r--r--sysdeps/i386/fpu/e_log2l.S (renamed from sysdeps/i386/fpu/s_log2l.S)5
-rw-r--r--sysdeps/i386/fpu/s_frexpl.S23
-rw-r--r--sysdeps/i386/fpu/s_ilogb.S14
-rw-r--r--sysdeps/i386/fpu/s_ilogbf.S14
-rw-r--r--sysdeps/i386/fpu/s_ilogbl.S14
7 files changed, 50 insertions, 30 deletions
diff --git a/sysdeps/i386/fpu/s_log2.S b/sysdeps/i386/fpu/e_log2.S
index 5ba40761e9..4f7f0d57d9 100644
--- a/sysdeps/i386/fpu/s_log2.S
+++ b/sysdeps/i386/fpu/e_log2.S
@@ -32,7 +32,7 @@ limit:	.double 0.29
 #endif
 
 	.text
-ENTRY(__log2)
+ENTRY(__ieee754_log2)
 #ifdef PIC
 	call	1f
 1:	popl	%edx
@@ -64,5 +64,4 @@ ENTRY(__log2)
 	fstp	%st(1)
 	fstp	%st(1)
 	ret
-END (__log2)
-weak_alias (__log2, log2)
+END (__ieee754_log2)
diff --git a/sysdeps/i386/fpu/s_log2f.S b/sysdeps/i386/fpu/e_log2f.S
index 111dc9c1d9..88f28b423c 100644
--- a/sysdeps/i386/fpu/s_log2f.S
+++ b/sysdeps/i386/fpu/e_log2f.S
@@ -32,7 +32,7 @@ limit:	.double 0.29
 #endif
 
 	.text
-ENTRY(__log2f)
+ENTRY(__ieee754_log2f)
 #ifdef PIC
 	call	1f
 1:	popl	%edx
@@ -64,5 +64,4 @@ ENTRY(__log2f)
 	fstp	%st(1)
 	fstp	%st(1)
 	ret
-END (__log2f)
-weak_alias (__log2f, log2f)
+END (__ieee754_log2f)
diff --git a/sysdeps/i386/fpu/s_log2l.S b/sysdeps/i386/fpu/e_log2l.S
index 7b645d57ab..f5c661a2d1 100644
--- a/sysdeps/i386/fpu/s_log2l.S
+++ b/sysdeps/i386/fpu/e_log2l.S
@@ -32,7 +32,7 @@ limit:	.double 0.29
 #endif
 
 	.text
-ENTRY(__log2l)
+ENTRY(__ieee754_log2l)
 #ifdef PIC
 	call	1f
 1:	popl	%edx
@@ -64,5 +64,4 @@ ENTRY(__log2l)
 	fstp	%st(1)
 	fstp	%st(1)
 	ret
-END (__log2l)
-weak_alias (__log2l, log2l)
+END (__ieee754_log2l)
diff --git a/sysdeps/i386/fpu/s_frexpl.S b/sysdeps/i386/fpu/s_frexpl.S
index 2645d220ee..56b1456fcb 100644
--- a/sysdeps/i386/fpu/s_frexpl.S
+++ b/sysdeps/i386/fpu/s_frexpl.S
@@ -1,5 +1,5 @@
 /* ix87 specific frexp implementation for long double.
-   Copyright (C) 1997, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -32,12 +32,6 @@
 	ASM_TYPE_DIRECTIVE(two64,@object)
 two64:	.byte 0, 0, 0, 0, 0, 0, 0xf0, 0x43
 	ASM_SIZE_DIRECTIVE(two64)
-	/* The following is LDBL_MAX / ldexp (1.0, 64), the largest
-	   number we can handle the normal way.  */
-	ASM_TYPE_DIRECTIVE(largest,@object)
-largest:
-	.byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbe, 0x7f, 0, 0
-	ASM_SIZE_DIRECTIVE(largest)
 
 #ifdef PIC
 #define MO(op) op##@GOTOFF(%edx)
@@ -67,10 +61,7 @@ ENTRY (BP_SYM (__frexpl))
 	je	1f
 
 	cmpl	$0, %eax
-	je	2f
-
-	cmpl	$0x7fbe, %eax
-	ja	4f
+	jne	2f
 
 	fldt	VAL0(%esp)
 #ifdef	PIC
@@ -102,15 +93,5 @@ ENTRY (BP_SYM (__frexpl))
 
 	LEAVE
 	ret
-
-4:	movl	VAL2(%esp), %ecx
-	movl	%ecx, %edx
-	andl	$0x7fff, %ecx
-
-	andl	$0x8000, %edx
-	subl	$16382, %ecx
-	orl	$0x3ffe, %edx
-	movl	%edx, VAL2(%esp)
-	jmp	1b
 END (BP_SYM (__frexpl))
 weak_alias (BP_SYM (__frexpl), BP_SYM (frexpl))
diff --git a/sysdeps/i386/fpu/s_ilogb.S b/sysdeps/i386/fpu/s_ilogb.S
index 36fb000c02..68d9c1a680 100644
--- a/sysdeps/i386/fpu/s_ilogb.S
+++ b/sysdeps/i386/fpu/s_ilogb.S
@@ -9,6 +9,16 @@ RCSID("$NetBSD: s_ilogb.S,v 1.5 1995/10/12 15:53:09 jtc Exp $")
 
 ENTRY(__ilogb)
 	fldl	4(%esp)
+/* I added the following ugly construct because ilogb(+-Inf) is
+   required to return INT_MAX in ISO C99.
+   -- jakub@redhat.com.  */
+	fxam			/* Is NaN or +-Inf?  */
+	fstsw   %ax
+	movb    $0x45, %dh
+	andb    %ah, %dh
+	cmpb    $0x05, %dh
+	je      1f		/* Is +-Inf, jump.  */
+
 	fxtract
 	pushl	%eax
 	fstp	%st
@@ -18,5 +28,9 @@ ENTRY(__ilogb)
 	popl	%eax
 
 	ret
+
+1:	fstp	%st
+	movl	$0x7fffffff, %eax
+	ret
 END (__ilogb)
 weak_alias (__ilogb, ilogb)
diff --git a/sysdeps/i386/fpu/s_ilogbf.S b/sysdeps/i386/fpu/s_ilogbf.S
index 54f9d4647e..521afe2b60 100644
--- a/sysdeps/i386/fpu/s_ilogbf.S
+++ b/sysdeps/i386/fpu/s_ilogbf.S
@@ -9,6 +9,16 @@ RCSID("$NetBSD: s_ilogbf.S,v 1.4 1995/10/22 20:32:43 pk Exp $")
 
 ENTRY(__ilogbf)
 	flds	4(%esp)
+/* I added the following ugly construct because ilogb(+-Inf) is
+   required to return INT_MAX in ISO C99.
+   -- jakub@redhat.com.  */
+	fxam			/* Is NaN or +-Inf?  */
+	fstsw   %ax
+	movb    $0x45, %dh
+	andb    %ah, %dh
+	cmpb    $0x05, %dh
+	je      1f		/* Is +-Inf, jump.  */
+
 	fxtract
 	pushl	%eax
 	fstp	%st
@@ -18,5 +28,9 @@ ENTRY(__ilogbf)
 	popl	%eax
 
 	ret
+
+1:	fstp	%st
+	movl	$0x7fffffff, %eax
+	ret
 END (__ilogbf)
 weak_alias (__ilogbf, ilogbf)
diff --git a/sysdeps/i386/fpu/s_ilogbl.S b/sysdeps/i386/fpu/s_ilogbl.S
index 1dad93abeb..ed547bdc8b 100644
--- a/sysdeps/i386/fpu/s_ilogbl.S
+++ b/sysdeps/i386/fpu/s_ilogbl.S
@@ -10,6 +10,16 @@ RCSID("$NetBSD: $")
 
 ENTRY(__ilogbl)
 	fldt	4(%esp)
+/* I added the following ugly construct because ilogb(+-Inf) is
+   required to return INT_MAX in ISO C99.
+   -- jakub@redhat.com.  */
+	fxam			/* Is NaN or +-Inf?  */
+	fstsw   %ax
+	movb    $0x45, %dh
+	andb    %ah, %dh
+	cmpb    $0x05, %dh
+	je      1f		/* Is +-Inf, jump.  */
+
 	fxtract
 	pushl	%eax
 	fstp	%st
@@ -19,5 +29,9 @@ ENTRY(__ilogbl)
 	popl	%eax
 
 	ret
+
+1:	fstp	%st
+	movl	$0x7fffffff, %eax
+	ret
 END (__ilogbl)
 weak_alias (__ilogbl, ilogbl)