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authorUlrich Drepper <drepper@redhat.com>1997-06-19 19:11:22 +0000
committerUlrich Drepper <drepper@redhat.com>1997-06-19 19:11:22 +0000
commitd705269e75ff9846000abea981774b381b076482 (patch)
tree7bd717a8489ad113cb0d10b7628a88d6a55cb836 /sysdeps/libm-i387
parente7f1f046f51d95d5d05ada3abd3f2e88219118e9 (diff)
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1997-06-19 19:38  Ulrich Drepper  <drepper@cygnus.com>

	* features.h: Define __STDC_IEC_559__ and _STDC_IEC_559_COMPLEX__.

	* elf/dl-minimal.c (__dcgettext): Remove assertion.

	* inet/rcmd.c: Correct a few typos.  Reported by Eric Troan.

	* manual/Makefile (distribute): Add dir.
	* manual/dir: New file.

	* math/Makefile (libm-support): Rename s_rinttol, s_rinttoll,
	s_roundtol, and s_roundtoll to s_lrint, s_llrint, s_lround,
	and s_llround respectively.
	(libm-calls): Add e_gamma_r.
	* math/libm-test.c (check_int_exc): New function.
	(signbit_test): Remove test for sign of NaN.
	(gamma_test): Clear exception after test of existence.
	Correct tests and and epsilons.
	(lgamma_test): Likewise.
	(ilogb_test): Correct all tests.
	(scalb_test): Rewrite.
	(rinttol_test): Rename to lrint_test and correct tests.
	(rinttoll_test): Likewise.
	(roundtol_test): Likewise.
	(roundtoll_test): Likewise.
	(main): Call lrint/lround functions instead of rinttol/roundtol.
	* math/math.h: Change prototypes for rinttol/roundtol.
	* math/mathcalls.h: Rearrange prototypes according to ISO C9X draft.
	* sysdeps/generic/mathbits.h: Define FP_ILOGB0 and FP_ILOGBNAN.
	* sysdeps/i386/mathbits.h: Likewise.
	* sysdeps/libm-i387/e_scalb.S: Handle special cases correctly.
	* sysdeps/libm-i387/e_scalbf.S: Likewise.
	* sysdeps/libm-i387/e_scalbl.S: Likewise.
	* sysdeps/libm-i387/s_asinh.S: Handle -inf correctly.
	* sysdeps/libm-i387/s_asinhf.S: Likewise.
	* sysdeps/libm-i387/s_asinhl.S: Likewise.
	* sysdeps/libm-i387/s_ilogb.S: Optimize.
	* sysdeps/libm-i387/s_ilogbf.S: Likewise.
	* sysdeps/libm-i387/s_ilogbl.S: Likewise.
	* sysdeps/libm-i387/s_rinttol.S: Rename to...
	* sysdeps/libm-i387/s_lrint.S: ...this.
	* sysdeps/libm-i387/s_rinttoll.S: Rename to...
	* sysdeps/libm-i387/s_llrint.S: ...this.
	* sysdeps/libm-i387/s_remquo.S: Correctly set sign of remainder.
	* sysdeps/libm-i387/s_remquof.S: Likewise.
	* sysdeps/libm-i387/s_remquol.S: Likewise.
	* sysdeps/libm-i387/e_gamma_r.c: New file.  Implementation of gamma
	function according to ISO C.
	* sysdeps/libm-i387/e_gammaf_r.c: New file.
	* sysdeps/libm-i387/e_gammal_r.c: New file.
	* sysdeps/libm-i387/e_lgamma_r.c: Don't let optimize compile the
	generation of exceptions away.
	* sysdeps/libm-i387/e_lgammaf_r.c: Likewise.
	* sysdeps/libm-i387/k_standard.c: Correct return value for infinity
	points of gamma function when not SVID mode.
	* sysdeps/libm-i387/s_rinttoll.c: Renamed to...
	* sysdeps/libm-i387/s_llrint.c: ...this.
	* sysdeps/libm-i387/s_rinttol.c: Renamed to...
	* sysdeps/libm-i387/s_lrint.c: ...this.
	* sysdeps/libm-i387/s_roundtoll.c: Renamed to...
	* sysdeps/libm-i387/s_llround.c: ...this.
	* sysdeps/libm-i387/s_roundtol.c: Renamed to...
	* sysdeps/libm-i387/s_lround.c: ..this.
	* sysdeps/libm-i387/s_scalbn.c: Change second parameter according to
	ISO C.
	* sysdeps/libm-i387/s_scalbnf.c: Likewise.
	* sysdeps/libm-i387/s_scalbnl.c: Likewise.
	* sysdeps/libm-i387/w_gamma.c: Call __ieee754_gamma_r if library
	mode is not _SVID_.
	* sysdeps/libm-i387/w_gammaf.c: Likewise.
	* sysdeps/libm-i387/w_gammal.c: Likewise.
	* sysdeps/m68k/fpu/__math.h: Rename __rinttol to __lrint and
	rinttol to lrint.
	* sysdeps/m68k/fpu/s_rinttol.c: Renamed to...
	* sysdeps/m68k/fpu/s_lrint.c: ...this.
	* sysdeps/m68k/fpu/s_rinttoll.c: Renamed to...
	* sysdeps/m68k/fpu/s_llrint.c: ...this.

	* md5-crypt/Makefile: Link md5test program with md5.o.

	* stdio-common/temptest.c: Don't use __stdio_gen_tempname which
	is not exported by the libc.so.

	* stdio-common/vfscanf.c: Correct scanning of strings after last
	change.

	* sysdeps/unix/sysv/linux/i386/sysdep.S: Use .comm to define errno.

1997-06-19 07:37  H.J. Lu  <hjl@gnu.ai.mit.edu>

	* time/tzfile.c (__tzfile_read): Store getc () return in int.

1997-06-13  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp/argp-parse.c (argp_version_parser): Include `(PROGRAM ERROR)' in
	the no-version error text to indicate that something's fucked.
	[!_] (N_): New macro.
	(argp_default_options, argp_version_options): Wrap doc strings in N_().

1997-06-12  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp/argp-parse.c (parser_parse_opt): Detect and report unhandled
	options here.
	(parser_parse_arg): Handle ARGP_KEY_ARGS here.
	Adjust NEXT pointer back if we fail to parse anything.
	(parser_parse_next): Simplify arg code.  Leave state NEXT frobbing
	to parser_parse_arg.

1997-06-11  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp/argp.h (ARGP_KEY_ARGS, ARGP_KEY_FINI): New macros.
	* argp/argp-parse.c (parser_finalize): Do another pass over the
	parsers with ARGP_KEY_FINI.

1997-06-18  Miles Bader  <miles@gnu.ai.mit.edu>

	* string/Makefile (routines): Add argz-replace.

1997-06-16 00:16  Miles Bader  <miles@gnu.ai.mit.edu>

	* manual/string.texi (Argz Functions): Document argz_replace.

1997-06-12  Miles Bader  <miles@gnu.ai.mit.edu>

	* string/argz.h (__argz_replace, argz_replace): New declarations.
	* string/argz-replace.c: New file.

1997-06-11  Miles Bader  <miles@gnu.ai.mit.edu>

	* manual/argp.texi (Argp Special Keys): Document ARGP_KEY_ARGS.

1997-06-16 23:08  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makeconfig (libc-map): Remove definition.
	* Makerules (libc-map): Define it here, using the full name.
	(load-map-file): Remove case for empty $(..).
	($(common-objpfx)libc.so): Revert last change.

1997-06-17 22:18  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/programs/utmpd.c (main): Improve signal handling.

	* login/programs/request.c (do_setutent, do_updwtmp):
	Allow arbitrary length filenames.
	* login/programs/utmpd.h (setutent_request, updwtmp_request):
	Get rid of fixed length file field.
	* login/utmp_daemon.c (do_setutent, do_updwtmp):
	Allow arbitrary	length filenames.

	* login/programs/request.c (do_pututline):
	Don't fail if connection->position is -1 on entry.

1997-06-15 16:32  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/utmp_file.c (updwtmp_file): Use the same method for
	appending an entry as in pututline_file.

1997-06-11 18:59  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/utmp_file.c (getutent_r_file):
	Use read lock instead of write lock.
	(getutline_r_file, internal_getut_r): Lock utmp file.
	(updwtmp_file): Use fcntl to lock file instead of flock.

1997-06-18 00:11  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* stdio-common/vfscanf.c (inchar, ungetc): Don't count EOF as
	character read in/put back.
	* stdio-common/tstscanf.c: Add test case for this.

1997-06-17 22:17  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libc.map: Add more symbols.

1997-06-18 12:01  Ulrich Drepper  <drepper@cygnus.com>

	* manual/Makefile (install): Make sure `dir' file exists if we use
	install-info.

1997-06-17 19:32  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/Makefile (info): Depend on dir-add.info.

1997-06-17 17:19  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/ldd.bash.in: Fix spacing in message.

1997-06-17 14:28  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/do-rel.h (elf_dynamic_do_rel): Always use version
	information if available.

1997-06-17 11:34  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sunrpc/Makefile ($(rpcsvc:%.x=$(objpfx)rpcsvc/%.h)): Make
	command non-empty to force make to recheck modification time.
	($(rpcsvc:%.x=$(objpfx)x%.c)): Likewise.

1997-06-17 00:26  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/stub/e_acoshl.c: Set errno to ENOSYS.
	* sysdeps/stub/e_acosl.c: Likewise.
	* sysdeps/stub/e_asinl.c: Likewise.
	* sysdeps/stub/e_atan2l.c: Likewise.
	* sysdeps/stub/e_expl.c: Likewise.
	* sysdeps/stub/e_fmodl.c: Likewise.
	* sysdeps/stub/e_j0l.c: Likewise.
	* sysdeps/stub/e_j1l.c: Likewise.
	* sysdeps/stub/e_jnl.c: Likewise.
	* sysdeps/stub/e_lgammal_r.c: Likewise.
	* sysdeps/stub/e_log10l.c: Likewise.
	* sysdeps/stub/e_logl.c: Likewise.
	* sysdeps/stub/e_powl.c: Likewise.
	* sysdeps/stub/e_rem_pio2l.c: Likewise.
	* sysdeps/stub/e_sqrtl.c: Likewise.
	* sysdeps/stub/k_cosl.c: Likewise.
	* sysdeps/stub/k_rem_pio2l.c: Likewise.
	* sysdeps/stub/k_sinl.c: Likewise.
	* sysdeps/stub/k_tanl.c: Likewise.
	* sysdeps/stub/s_atanl.c: Likewise.
	* sysdeps/stub/s_erfl.c: Likewise.
	* sysdeps/stub/s_exp2.c: Likewise.
	* sysdeps/stub/s_exp2f.c: Likewise.
	* sysdeps/stub/s_exp2l.c: Likewise.
	* sysdeps/stub/s_expm1l.c: Likewise.
	* sysdeps/stub/s_log1pl.c: Likewise.
	* sysdeps/stub/s_log2l.c: Likewise.

1997-06-18 11:46  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/w_gamma.c: If _LIB_VERSION is _SVID_ compute
	result as before last change.
	* sysdeps/libm-ieee754/w_gammaf.c: Likewise.
	* sysdeps/libm-ieee754/w_gammal.c: Likewise.

1997-06-16 23:37  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/libm-ieee754/s_remquo.c: Fix off-by-one when computing
	quotient.
	* sysdeps/libm-ieee754/s_remquof.c: Likewise.
	* sysdeps/libm-ieee754/s_remquol.c: Likewise.

	* sysdeps/m68k/fpu/s_remquo.c: Remove FIXME and special case for
	quotient.

	* sysdeps/libm-ieee754/w_gamma.c: Add missing call to exp
	function.  Don't use global signgam.
	* sysdeps/libm-ieee754/w_gammaf.c: Likewise.
	* sysdeps/libm-ieee754/w_gammal.c: Likewise.

	* math/Makefile (libm-calls): Remove w_gamma_r.
	* sysdeps/libm-ieee754/w_gamma_r.c: Remove file.
	* sysdeps/libm-ieee754/w_gammaf_r.c: Remove file.
	* sysdeps/libm-ieee754/w_gammal_r.c: Remove file.

	* math/libm-test.c (atanh_test): Declare x only if needed.
	(signbit_test): Fix typo.
	(gamma_test): Check whether function is implemented.  Add
	epsilons.
	(lgamma_test): Likewise.
	(fmod_test): Add epsilons.
	(exp2_test): Use right function for existence test.

1997-06-07 09:20  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/powerpc/Dist: Add fenv_const.c.
	* sysdeps/unix/sysv/linux/Dist: Add net/if_slip.h.
	* sysdeps/unix/sysv/linux/powerpc/Dist: Add init-first.h and
	syscall.h.
	* sysdeps/unix/sysv/linux/sparc/Dist: Add init-first.h.
	* string/Makefile (distribute): Add tst-svc.expect.
	* nis/Makefile (distribute): Add nis_intern.h and Banner.
	* elf/Makefile (distribute): Add dl-hash.h.
	* Rules (subdir_echo-distinfo): Add headers from $(distribute).

	* login/Makefile (others): Add utmpdump.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add
	net/if_slip.h.

	* manual/Makefile (dir-add.texi): Also look in indirectly included
	files.

1997-06-16 23:15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/configure.in: Remove commands to
	generate stdio_lim.h.
	* sysdeps/unix/sysv/linux/mk-stdiolim.c: Remove.
	* sysdeps/unix/sysv/linux/Makefile: Add rules to generate
	stdio_lim.h here.
	(common-generated): Add generated files.
	(inhibit-stdio_lim): Define.
	* sysdeps/posix/Makefile [$(inhibit-stdio_lim)=yes]: Disable rules
	to generate stdio_lim.h.

	* sysdeps/unix/sysv/linux/Makefile: Suppress inclusion of
	dependecy files if no_deps is set.
	($(objpfx)syscall-%.d): Add header file as target to dependency
	generation.

1997-06-14 19:19  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/arm/Dist: New file.

1997-06-14 17:59  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* extra-lib.mk (others): Depend on versioned shared library, not
	the unversioned one.
	* Makerules (build-shlib): Don't make the version link here.
	($(common-objpfx)libc.so$(libc.so-version)): New rule for libc
	version link.

1997-06-16 03:07  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/k_standard.c: Undo change of Tue Aug 6
	01:13:56 1996.

	* argp/argp-help.c (argp_args_usage): Supply correct argp to
	filter_doc.
	* argp/argp-help.c (hol_add_cluster): Initialize CL->depth.
	* argp/argp-help.c (_help): Supply STATE to argp_args_usage.
	* argp/argp.h (ARGP_KEY_HELP_ARGS_DOC): New macro.
	* argp/argp-fmtstream.c: Add casts to prevent warnings.
	* argp/argp.h (OPTION_NO_USAGE): New macro.
	* argp/argp-help.c (usage_long_opt, usage_argful_short_opt,
	* argp/argp-fmtstream.c (__argp_fmtstream_update): Account for case
	* argp/argp-help.c <stddef.h>: New include.
	* argp/argp.h (argp_state_help, __argp_state_help, argp_usage,
	* argp/argp.h (argp_program_bug_address): Make const.
	* argp/argp-parse.c (argp_default_parser): Set STATE->name for OPT_PROGNAME.
	* argp/argp-help.c (__argp_error, __argp_failure, __argp_state_help):
	* argp/argp-parse.c (parser_init): Set PARSER->state.flags.
Diffstat (limited to 'sysdeps/libm-i387')
-rw-r--r--sysdeps/libm-i387/e_scalb.S78
-rw-r--r--sysdeps/libm-i387/e_scalbf.S79
-rw-r--r--sysdeps/libm-i387/e_scalbl.S78
-rw-r--r--sysdeps/libm-i387/s_asinh.S11
-rw-r--r--sysdeps/libm-i387/s_asinhf.S11
-rw-r--r--sysdeps/libm-i387/s_asinhl.S11
-rw-r--r--sysdeps/libm-i387/s_ilogb.S12
-rw-r--r--sysdeps/libm-i387/s_ilogbf.S12
-rw-r--r--sysdeps/libm-i387/s_ilogbl.S13
-rw-r--r--sysdeps/libm-i387/s_llrint.S (renamed from sysdeps/libm-i387/s_rinttoll.S)6
-rw-r--r--sysdeps/libm-i387/s_lrint.S (renamed from sysdeps/libm-i387/s_rinttol.S)6
-rw-r--r--sysdeps/libm-i387/s_remquo.S7
-rw-r--r--sysdeps/libm-i387/s_remquof.S7
-rw-r--r--sysdeps/libm-i387/s_remquol.S7
14 files changed, 293 insertions, 45 deletions
diff --git a/sysdeps/libm-i387/e_scalb.S b/sysdeps/libm-i387/e_scalb.S
index 427a3b905e..790f1c1d56 100644
--- a/sysdeps/libm-i387/e_scalb.S
+++ b/sysdeps/libm-i387/e_scalb.S
@@ -1,16 +1,94 @@
 /*
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
+ *
+ * Correct handling of y==-inf <drepper@gnu>
  */
 
 #include <machine/asm.h>
 
 RCSID("$NetBSD: e_scalb.S,v 1.4 1995/05/08 23:49:52 jtc Exp $")
 
+#ifdef __ELF__
+	.section .rodata
+#else
+	.text
+#endif
+
+	.align ALIGNARG(4)
+	ASM_TYPE_DIRECTIVE(zero_nan,@object)
+zero_nan:
+	.double 0.0
+nan:	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
+minus_zero:
+	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
+	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
+	ASM_SIZE_DIRECTIVE(zero_nan)
+
+
+#ifdef PIC
+#define MO(op) op##@GOTOFF(%ecx)
+#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
+#else
+#define MO(op) op
+#define MOX(op,x,f) op(,x,f)
+#endif
+
+
 ENTRY(__ieee754_scalb)
 	fldl	12(%esp)
+	fxam
+	fnstsw
 	fldl	4(%esp)
+	andl	$0x4700, %eax
+	cmpl	$0x0700, %eax
+	je	1f
+	andl	$0x4500, %eax
+	cmpl	$0x0100, %eax
+	je	2f
+	fxam
+	fnstsw
+	andl	$0x4500, %eax
+	cmpl	$0x0100, %eax
+	je	2f
+	fld	%st(1)
+	frndint
+	fcomp	%st(2)
+	fnstsw
+	sahf
+	jne	2f
 	fscale
 	fstp	%st(1)
 	ret
+
+	/* y is -inf */
+1:	fxam
+#ifdef  PIC
+        call    1f
+1:      popl    %ecx
+        addl    $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+	fnstsw
+	movl	8(%esp), %edx
+	shrl	$5, %eax
+	fstp	%st(1)
+	andl	$0x80000000, %edx
+	andl	$8, %eax
+	fstp	%st(1)
+	shrl	$27, %edx
+	addl	%edx, %eax
+	fldl	MOX(zero_nan, %eax, 1)
+	ret
+
+	/* The result is NaN, but we must not raise an exception.
+	   So use a variable.  */
+2:	fstp	%st
+	fstp	%st
+#ifdef  PIC
+        call    1f
+1:      popl    %ecx
+        addl    $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+	fldl	MO(nan)
+	ret
 END(__ieee754_scalb)
diff --git a/sysdeps/libm-i387/e_scalbf.S b/sysdeps/libm-i387/e_scalbf.S
index 4c62134a0c..c869da9b38 100644
--- a/sysdeps/libm-i387/e_scalbf.S
+++ b/sysdeps/libm-i387/e_scalbf.S
@@ -2,16 +2,95 @@
  * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
  * Adapted for float type by Ulrich Drepper <drepper@cygnus.com>.
+ *
+ * Correct handling of y==-inf <drepper@gnu>
  */
 
 #include <machine/asm.h>
 
 RCSID("$NetBSD: $")
 
+#ifdef __ELF__
+	.section .rodata
+#else
+	.text
+#endif
+
+	.align ALIGNARG(4)
+	ASM_TYPE_DIRECTIVE(zero_nan,@object)
+zero_nan:
+	.double 0.0
+nan:	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
+minus_zero:
+	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
+	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
+	ASM_SIZE_DIRECTIVE(zero_nan)
+
+
+#ifdef PIC
+#define MO(op) op##@GOTOFF(%ecx)
+#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
+#else
+#define MO(op) op
+#define MOX(op,x,f) op(,x,f)
+#endif
+
+
+	.text
 ENTRY(__ieee754_scalbf)
 	flds	8(%esp)
+	fxam
+	fnstsw
 	flds	4(%esp)
+	andl	$0x4700, %eax
+	cmpl	$0x0700, %eax
+	je	1f
+	andl	$0x4500, %eax
+	cmpl	$0x0100, %eax
+	je	2f
+	fxam
+	fnstsw
+	andl	$0x4500, %eax
+	cmpl	$0x0100, %eax
+	je	2f
+	fld	%st(1)
+	frndint
+	fcomp	%st(2)
+	fnstsw
+	sahf
+	jne	2f
 	fscale
 	fstp	%st(1)
 	ret
+
+	/* y is -inf */
+1:	fxam
+#ifdef  PIC
+        call    1f
+1:      popl    %ecx
+        addl    $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+	fnstsw
+	movl	4(%esp), %edx
+	shrl	$5, %eax
+	fstp	%st(1)
+	andl	$0x80000000, %edx
+	andl	$8, %eax
+	fstp	%st(1)
+	shrl	$27, %edx
+	addl	%edx, %eax
+	fldl	MOX(zero_nan, %eax, 1)
+	ret
+
+	/* The result is NaN, but we must not raise an exception.
+	   So use a variable.  */
+2:	fstp	%st
+	fstp	%st
+#ifdef  PIC
+        call    1f
+1:      popl    %ecx
+        addl    $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+	fldl	MO(nan)
+	ret
 END(__ieee754_scalbf)
diff --git a/sysdeps/libm-i387/e_scalbl.S b/sysdeps/libm-i387/e_scalbl.S
index 3b746ad363..e272614acf 100644
--- a/sysdeps/libm-i387/e_scalbl.S
+++ b/sysdeps/libm-i387/e_scalbl.S
@@ -3,16 +3,94 @@
  * Public domain.
  *
  * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
+ *
+ * Correct handling of y==-inf <drepper@gnu>
  */
 
 #include <machine/asm.h>
 
 RCSID("$NetBSD: $")
 
+#ifdef __ELF__
+	.section .rodata
+#else
+	.text
+#endif
+
+	.align ALIGNARG(4)
+	ASM_TYPE_DIRECTIVE(zero_nan,@object)
+zero_nan:
+	.double 0.0
+nan:	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
+minus_zero:
+	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
+	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
+	ASM_SIZE_DIRECTIVE(zero_nan)
+
+
+#ifdef PIC
+#define MO(op) op##@GOTOFF(%ecx)
+#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
+#else
+#define MO(op) op
+#define MOX(op,x,f) op(,x,f)
+#endif
+
+
 ENTRY(__ieee754_scalbl)
 	fldt	16(%esp)
+	fxam
+	fnstsw
 	fldt	4(%esp)
+	andl	$0x4700, %eax
+	cmpl	$0x0700, %eax
+	je	1f
+	andl	$0x4500, %eax
+	cmpl	$0x0100, %eax
+	je	2f
+	fxam
+	fnstsw
+	andl	$0x4500, %eax
+	cmpl	$0x0100, %eax
+	je	2f
+	fld	%st(1)
+	frndint
+	fcomp	%st(2)
+	fnstsw
+	sahf
+	jne	2f
 	fscale
 	fstp	%st(1)
 	ret
+
+	/* y is -inf */
+1:	fxam
+#ifdef  PIC
+        call    1f
+1:      popl    %ecx
+        addl    $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+	fnstsw
+	movl	12(%esp), %edx
+	shrl	$5, %eax
+	fstp	%st(1)
+	andl	$0x8000, %edx
+	andl	$8, %eax
+	fstp	%st(1)
+	shrl	$11, %edx
+	addl	%edx, %eax
+	fldl	MOX(zero_nan, %eax, 1)
+	ret
+
+	/* The result is NaN, but we must not raise an exception.
+	   So use a variable.  */
+2:	fstp	%st
+	fstp	%st
+#ifdef  PIC
+        call    1f
+1:      popl    %ecx
+        addl    $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+	fldl	MO(nan)
+	ret
 END(__ieee754_scalbl)
diff --git a/sysdeps/libm-i387/s_asinh.S b/sysdeps/libm-i387/s_asinh.S
index 45153fe2d3..a4c52cb67c 100644
--- a/sysdeps/libm-i387/s_asinh.S
+++ b/sysdeps/libm-i387/s_asinh.S
@@ -49,14 +49,14 @@ ENTRY(__asinh)
 	movl	$0x7fffffff, %eax
 	andl	%ecx, %eax
 	andl	$0x80000000, %ecx
+	movl	%eax, %edx
+	orl	$0x800fffff, %edx
+	incl	%edx
+	jz	7f			// x in ħInf or NaN
 	xorl	%ecx, 8(%esp)
 	fldl	4(%esp)			// |x|
-	movl	%eax, %edx
 	cmpl	$0x3e300000, %eax
 	jb	2f			// |x| < 2^-28
-	orl	$0x800fffff, %edx
-	incl	%edx
-	jz	4f			// x in ħInf or NaN
 	fldln2				// log(2) : |x|
 	cmpl	$0x41b00000, %eax
 	fxch				// |x| : log(2)
@@ -87,6 +87,9 @@ ENTRY(__asinh)
 	fchs
 4:	ret
 
+7:	fldl	4(%esp)
+	ret
+
 6:	faddl	MO(one)
 	fyl2x
 	jecxz	4f
diff --git a/sysdeps/libm-i387/s_asinhf.S b/sysdeps/libm-i387/s_asinhf.S
index 7e5176c4a6..6369e19ac6 100644
--- a/sysdeps/libm-i387/s_asinhf.S
+++ b/sysdeps/libm-i387/s_asinhf.S
@@ -49,14 +49,14 @@ ENTRY(__asinhf)
 	movl	$0x7fffffff, %eax
 	andl	%ecx, %eax
 	andl	$0x80000000, %ecx
+	movl	%eax, %edx
+	orl	$0x807fffff, %edx
+	incl	%edx
+	jz	7f			// x in ħInf or NaN
 	xorl	%ecx, 8(%esp)
 	flds	4(%esp)			// |x|
-	movl	%eax, %edx
 	cmpl	$0x38000000, %eax
 	jb	2f			// |x| < 2^-14
-	orl	$0x807fffff, %edx
-	incl	%edx
-	jz	4f			// x in ħInf or NaN
 	fldln2				// log(2) : |x|
 	cmpl	$0x47000000, %eax
 	fxch				// |x| : log(2)
@@ -87,6 +87,9 @@ ENTRY(__asinhf)
 	fchs
 4:	ret
 
+7:	flds	4(%esp)
+	ret
+
 6:	faddl	MO(one)
 	fyl2x
 	jecxz	4f
diff --git a/sysdeps/libm-i387/s_asinhl.S b/sysdeps/libm-i387/s_asinhl.S
index f764381aab..62e29bc58e 100644
--- a/sysdeps/libm-i387/s_asinhl.S
+++ b/sysdeps/libm-i387/s_asinhl.S
@@ -56,14 +56,14 @@ ENTRY(__asinhl)
 	movl	$0x7fff, %eax
 	andl	%ecx, %eax
 	andl	$0x8000, %ecx
+	movl	%eax, %edx
+	orl	$0xffff8000, %edx
+	incl	%edx
+	jz	7f			// x in ħInf or NaN
 	xorl	%ecx, 12(%esp)
 	fldt	4(%esp)			// |x|
-	movl	%eax, %edx
 	cmpl	$0x3fde, %eax
 	jb	2f			// |x| < 2^-34
-	orl	$0xffff8000, %edx
-	incl	%edx
-	jz	4f			// x in ħInf or NaN
 	fldln2				// log(2) : |x|
 	cmpl	$0x4020, %eax
 	fxch				// |x| : log(2)
@@ -94,6 +94,9 @@ ENTRY(__asinhl)
 	fchs
 4:	ret
 
+7:	fldt	4(%esp)
+	ret
+
 6:	faddl	MO(one)
 	fyl2x
 	jecxz	4f
diff --git a/sysdeps/libm-i387/s_ilogb.S b/sysdeps/libm-i387/s_ilogb.S
index 01b8afac10..6c125586c7 100644
--- a/sysdeps/libm-i387/s_ilogb.S
+++ b/sysdeps/libm-i387/s_ilogb.S
@@ -8,18 +8,14 @@
 RCSID("$NetBSD: s_ilogb.S,v 1.5 1995/10/12 15:53:09 jtc Exp $")
 
 ENTRY(__ilogb)
-	pushl	%ebp
-	movl	%esp,%ebp
-	subl	$4,%esp
-
-	fldl	8(%ebp)
+	fldl	4(%esp)
 	fxtract
+	pushl	%eax
 	fstpl	%st
 
-	fistpl	-4(%ebp)
-	movl	-4(%ebp),%eax
+	fistpl	(%esp)
+	popl	%eax
 
-	leave
 	ret
 END (__ilogb)
 weak_alias (__ilogb, ilogb)
diff --git a/sysdeps/libm-i387/s_ilogbf.S b/sysdeps/libm-i387/s_ilogbf.S
index 6a943265b2..b08a32f4ef 100644
--- a/sysdeps/libm-i387/s_ilogbf.S
+++ b/sysdeps/libm-i387/s_ilogbf.S
@@ -8,18 +8,14 @@
 RCSID("$NetBSD: s_ilogbf.S,v 1.4 1995/10/22 20:32:43 pk Exp $")
 
 ENTRY(__ilogbf)
-	pushl	%ebp
-	movl	%esp,%ebp
-	subl	$4,%esp
-
-	flds	8(%ebp)
+	flds	4(%esp)
 	fxtract
+	pushl	%eax
 	fstpl	%st
 
-	fistpl	-4(%ebp)
-	movl	-4(%ebp),%eax
+	fistpl	(%esp)
+	popl	%eax
 
-	leave
 	ret
 END (__ilogbf)
 weak_alias (__ilogbf, ilogbf)
diff --git a/sysdeps/libm-i387/s_ilogbl.S b/sysdeps/libm-i387/s_ilogbl.S
index 2422a41355..adc88aabab 100644
--- a/sysdeps/libm-i387/s_ilogbl.S
+++ b/sysdeps/libm-i387/s_ilogbl.S
@@ -9,17 +9,14 @@
 RCSID("$NetBSD: $")
 
 ENTRY(__ilogbl)
-	pushl	%ebp
-	movl	%esp,%ebp
-	subl	$4,%esp
-
-	fldt	8(%ebp)
+	fldt	4(%esp)
 	fxtract
+	pushl	%eax
+	fstp	%st
 
-	fistpl	-4(%ebp)
-	movl	-4(%ebp),%eax
+	fistpl	(%esp)
+	popl	%eax
 
-	leave
 	ret
 END (__ilogbl)
 weak_alias (__ilogbl, ilogbl)
diff --git a/sysdeps/libm-i387/s_rinttoll.S b/sysdeps/libm-i387/s_llrint.S
index 99395052de..cfb8e86f7d 100644
--- a/sysdeps/libm-i387/s_rinttoll.S
+++ b/sysdeps/libm-i387/s_llrint.S
@@ -22,12 +22,12 @@
 #include <sysdep.h>
 
 	.text
-ENTRY(__rinttoll)
+ENTRY(__llrint)
 	fldt	4(%esp)
 	subl	$8, %esp
 	fistpll	(%esp)
 	popl	%eax
 	popl	%edx
 	ret
-END(__rinttoll)
-weak_alias (__rinttoll, rinttoll)
+END(__llrint)
+weak_alias (__llrint, llrint)
diff --git a/sysdeps/libm-i387/s_rinttol.S b/sysdeps/libm-i387/s_lrint.S
index 22a3e46bd6..19241456a8 100644
--- a/sysdeps/libm-i387/s_rinttol.S
+++ b/sysdeps/libm-i387/s_lrint.S
@@ -22,11 +22,11 @@
 #include <sysdep.h>
 
 	.text
-ENTRY(__rinttol)
+ENTRY(__lrint)
 	fldt	4(%esp)
 	subl	$4, %esp
 	fistpl	(%esp)
 	popl	%eax
 	ret
-END(__rinttol)
-weak_alias (__rinttol, rinttol)
+END(__lrint)
+weak_alias (__lrint, lrint)
diff --git a/sysdeps/libm-i387/s_remquo.S b/sysdeps/libm-i387/s_remquo.S
index a4c5a35468..252bf2678a 100644
--- a/sysdeps/libm-i387/s_remquo.S
+++ b/sysdeps/libm-i387/s_remquo.S
@@ -25,7 +25,12 @@ ENTRY(__remquo)
 	shrl	%cl, %eax
 	andl	$3, %eax
 	movl	20(%esp), %ecx
-	movl	%eax, (%ecx)
+	movl	8(%esp), %edx
+	xorl	16(%esp), %edx
+	testl	$0x80000000, %edx
+	jz	1f
+	negl	%eax
+1:	movl	%eax, (%ecx)
 	ret
 END (__remquo)
 weak_alias (__remquo, remquo)
diff --git a/sysdeps/libm-i387/s_remquof.S b/sysdeps/libm-i387/s_remquof.S
index 56954323a6..144eb3034c 100644
--- a/sysdeps/libm-i387/s_remquof.S
+++ b/sysdeps/libm-i387/s_remquof.S
@@ -25,7 +25,12 @@ ENTRY(__remquof)
 	shrl	%cl, %eax
 	andl	$3, %eax
 	movl	12(%esp), %ecx
-	movl	%eax, (%ecx)
+	movl	4(%esp), %edx
+	xorl	8(%esp), %edx
+	testl	$0x80000000, %edx
+	jz	1f
+	negl	%eax
+1:	movl	%eax, (%ecx)
 	ret
 END (__remquof)
 weak_alias (__remquof, remquof)
diff --git a/sysdeps/libm-i387/s_remquol.S b/sysdeps/libm-i387/s_remquol.S
index 9c91d90c45..2cbcdf18af 100644
--- a/sysdeps/libm-i387/s_remquol.S
+++ b/sysdeps/libm-i387/s_remquol.S
@@ -25,7 +25,12 @@ ENTRY(__remquol)
 	shrl	%cl, %eax
 	andl	$3, %eax
 	movl	28(%esp), %ecx
-	movl	%eax, (%ecx)
+	movl	12(%esp), %edx
+	xorl	24(%esp), %edx
+	testl	$0x8000, %edx
+	jz	1f
+	negl	%eax
+1:	movl	%eax, (%ecx)
 	ret
 END (__remquol)
 weak_alias (__remquol, remquol)