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authorUlrich Drepper <drepper@redhat.com>1997-08-10 18:37:15 +0000
committerUlrich Drepper <drepper@redhat.com>1997-08-10 18:37:15 +0000
commit0413b54c02d31cae62e8d13b3ee7ac109ceeff0e (patch)
tree5159587edd2bf4a39fcb5c42588aa35c7350fe8d /sysdeps/libm-i387
parent55c14926be46b12fda4e01d0977911d3b0883db7 (diff)
1997-08-10 18:48 Ulrich Drepper <drepper@cygnus.com> * Makeconfig: Define build-programs to no if not set and $(config-os) is none. * Makerules (+depfiles): Don't add $(others) if not build-programs. * Rules (others): Don't depend on $(install-bin), $(install-rootbin) and $(install-sbin) if not build-programs. * Makefile (subdirs): Remove login. * sysdeps/mach/hurd/Subdirs: Add login. * sysdeps/unix/Subdirs: Add login. * sysdeps/generic/sys/mman.h: Test feature macros before defining non-POSIX things. Add MAP_FAILED. * sysdeps/unix/bsd/osf/sys/mman.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/sys/mman.h: Likewise. * sysdeps/unix/bsd/ultrix4/sys/mman.h: Likewise. * sysdeps/unix/sysv/irix4/sys/mman.h: Likewise. * sysdeps/unix/sysv/linux/sys/mman.h: Rewrite to not use kernel header but bits/mman.h. Test feature macros before definitions non-POSIX functions. * sysdeps/unix/sysv/linux/alpha/bits/mman.h: New file. * sysdeps/unix/sysv/linux/i386/bits/mman.h: New file. * sysdeps/unix/sysv/linux/m68k/bits/mman.h: New file. * sysdeps/unix/sysv/linux/mips/bits/mman.h: New file. * sysdeps/unix/sysv/linux/powerpc/bits/mman.h: New file. * sysdeps/unix/sysv/linux/sparc/bits/mman.h: New file. * sysdeps/unix/sysv/linux/sparc64/bits/mman.h: New file. * sysdeps/unix/sysv/linux/alpha/Dist: Add bits/mman.h. * sysdeps/unix/sysv/linux/i386/Dist: Likewise. * sysdeps/unix/sysv/linux/m68k/Dist: Likewise. * sysdeps/unix/sysv/linux/mips/Dist: Likewise. * sysdeps/unix/sysv/linux/powerpc/Dist: Likewise. * sysdeps/unix/sysv/linux/sparc/Dist: Likewise. * sysdeps/unix/sysv/linux/sparc64/Dist: New file. Likewise. * catgets/open_catalog.c (__open_catalog): Compare result of mmap with MAP_FAILED and not -1. * elf/dl-load.c (_dl_map_object_from_fd): Likewise. * elf/dl-minimal.c (malloc): Likewise. * elf/dl-misc.c (_dl_sysdep_read_whole_file): Likewise. * locale/loadlocale.c (_nl_load_locale): Likewise. * locale/programs/localedef.c: Likewise. * malloc/malloc.c (mmap_chunk): Likewise. (new_heap): Likewise. * string/stratcliff.c: Likewise. * string/tester.c: Add tests for stpcpy. * gmon/gmon.c (__monstartup): Use calloc instead of malloc+memset. * gmon/sys/gmon.h: Add prototype for write_profiling. * elf/dl-profile.c: Add decsriptions and implement reading of existing data in profiling file. * gmon/sys/gmon_out.h (GMON_SHOBJ_VERSION): New macro for shared lib profiling data. * sysdeps/stub/bits/libc-lock.h (__libc_once_define): Add new first parameter for class. * inet/inet_ntoa.c: Make once control variable static. Correctly handle case where key cannot be retrieved. * inet/Makefile (tests): Add tst-ntoa. * inet/tst-ntoa.c: New file. * manual/time.texi: Document localtime_r, gmtime_r, asctime_r, and ctime_r. Mention that tzname values must not be changed. * manual/users.texi: Document UTMP/WTMP handling functions. Mainly written by Mark Kettenis. * math/libm-test.c (cbrt_test): Add test for number with aboslute value < 1.0. * nss/nss_files/files-XXX.c (internal_setent): If opening of file failed with EGAIN return NSS_STATUS_TRYAGAIN. * nss/nss_files/files-alias.c (internal_setent): Likewise. * sysdeps/generic/bits/utmp.h: Pretty print. * sysdeps/i386/i586/strcpy.S: New file. Much faster implementation. * sysdeps/i386/i586/stpcpy.S: New file. * sysdeps/i386/i686/Implies: Don't fall back on i586 versions since these are less efficient than i486/i386 versions. * sysdeps/libm-i387/e_rem_pio2.c: Add empty file to prevent the version from libm-ieee754 be compiled since the later is not needed. * sysdeps/libm-i387/e_rem_pio2f.c: Likewise. * sysdeps/libm-i387/e_rem_pio2l.c: Likewise. * sysdeps/libm-i387/k_rem_pio2.c: Likewise. * sysdeps/libm-i387/k_rem_pio2f.c: Likewise. * sysdeps/libm-i387/k_rem_pio2l.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2f.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2l.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2f.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2l.c: Likewise. * sysdeps/libm-i387/s_cbrt.S: Fix several bugs. * sysdeps/libm-i387/s_cbrtf.S: Likewise. * sysdeps/libm-i387/s_cbrtl.S: Likewise. * sysdeps/unix/sysv/linux/if_index.c (if_indextoname): Correct little bug. * sysdeps/unix/sysv/linux/bits/socket.h (struct msghdr): Make field msg_iovlen of type int. * time/tzfile.c: Change return type of __tzstring to char *. * time/tzset.c: Likewise. Change definition of __tzstring. * time/tzset.c: Interpret no DST information in user provided time zone specification as it is meant: no DST. Patch by Paul Eggert <eggert@twinsun.com>. 1997-07-20 03:01 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/elf/dl-load.c (add_name_to_object): New procedure. (_dl_map_object_from_fd): Use add_name_to_object. (_dl_map_object): If an object's SONAME is used to resolve a dependency, add it to the list of the object's names. * inet/getnameinfo.c: Make `domain' non-const. * sysdeps/unix/sysv/linux/powerpc/kernel_termios.c: Clean up. * math/test-fenv.c (feenv_nomask_test): Don't execute if FE_NOMASK_ENV is not defined, or if fesetenv(FE_NOMASK_ENV) sets errno to ENOSYS. * sysdeps/powerpc/dl-machine.h: Print proper error message on unknown reloc type (rather than using assert). * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: New file. * sysdeps/unix/sysv/linux/powerpc/profil.c: Deleted. 1997-07-16 12:47 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/bits/fenv.h (feraiseexcept): New optimising macro. (feclearexcept): New optimising macro. (FE_NOMASK_ENV): Change to procedure so it can enable exceptions. (FE_ENABLED_ENV): Add. (FE_NONIEEE_ENV): Add. * sysdeps/powerpc/bits/fenv_const.c: Add __fe_enabled_env, __fe_nonieee_env; delete __fe_nomask_env. * sysdeps/powerpc/bits/fe_nomask.c: New file (stub warning until it gets implemented in the kernel). * sysdeps/powerpc/fraiseenv.c: Deal with chips that don't have FE_INVALID_SOFTWARE implemented. Use macros for bit names for clarity. * sysdeps/powerpc/fsetexcptflag.c: Likewise. * io/ftw.c: Don't compare holes in structures. * sysdeps/unix/sysv/linux/sys/sysmacros.h: Cast the result of the macros to `int', because otherwise it might be `long long' which the calling code is probably not expecting. * sysdeps/libm-ieee754/s_lround.c [NO_LONG_DOUBLE]: Fix a few bugs, document the existence of some more. * sysdeps/powerpc/s_llrint.c: New file. * sysdeps/powerpc/s_lrint.c: New file. * sysdeps/powerpc/s_llround.c: New file. * sysdeps/powerpc/s_lround.c: New file. * sysdeps/powerpc/s_sqrt.c: New file. * sysdeps/powerpc/s_sqrtf.c: New file. * sysdeps/powerpc/w_sqrt.s: New empty file. * sysdeps/powerpc/w_sqrtf.s: New empty file. * sysdeps/powerpc/t_sqrt.c: New file. * sysdeps/powerpc/test-arithf.c: New file. * sysdeps/powerpc/Makefile [subdir=math]: Add t_sqrt to support routines. Add test-arithf to test programs. * sysdeps/powerpc/bits/mathdef.h: Add FP_ILOGB0, FP_ILOGBNAN. * sysdeps/powerpc/strcmp.s: Simplify drastically. Now much neater, and possibly faster (or possibly slower, depending on input). 1997-06-08 22:55 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/fenvbits.h: Correct FE_DFL_ENV and FE_NOMASK_ENV macros. * sysdeps/powerpc/s_rint.c: New file. 1997-05-22 08:47 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/Makefile [subdir=math]: Add q_* routines. * sysdeps/powerpc/Dist: Add quad_float.h. * sysdeps/powerpc/q_dtoq.c: New file. * sysdeps/powerpc/q_itoq.c: New file. * sysdeps/powerpc/q_lltoq.c: New file. * sysdeps/powerpc/q_neg.c: New file. * sysdeps/powerpc/q_qtoi.c: New file. * sysdeps/powerpc/q_qtoll.c: New file. * sysdeps/powerpc/q_qtos.c: New file. * sysdeps/powerpc/q_qtou.c: New file. * sysdeps/powerpc/q_qtoull.c: New file. * sysdeps/powerpc/q_stoq.c: New file. * sysdeps/powerpc/q_ulltoq.c: New file. * sysdeps/powerpc/q_utoq.c: New file. * sysdeps/powerpc/quad_float.h: New file. * sysdeps/powerpc/test-arith.c: New file. * sysdeps/powerpc/fpu_control.h: Fix _FPU_GETCW. * sysdeps/powerpc/fegetround.c: Use mcrfs to be faster and not require a stack frame. * sysdeps/powerpc/bits/fenv.h: Include inline macro for fegetround. 1997-05-18 05:55 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/fenv_libc.h (fegetenv_register, fesetenv_register): Add 'volatile'. (set_fpscr_bit, reset_fpscr_bit): New macros, FPSCR_* constants to use with them. * sysdeps/powerpc/s_copysign.S: New file. * sysdeps/powerpc/s_copysignf.s: New file. * sysdeps/powerpc/s_fabs.S: New file. * sysdeps/powerpc/s_fabsf.s: New file. * sysdeps/powerpc/s_isnan.c: New file. * sysdeps/powerpc/s_isnanf.s: New file. * sysdeps/powerpc/s_rintf.c: New file. * sysdeps/powerpc/fenvbits.h: Make FE_INVALID the summary bit in the FPSCR, not the enable bit. * sysdeps/powerpc/fraiseexcpt.c: Consequent change to the above. * sysdeps/powerpc/fclrexcpt.c: Correct. * sysdeps/powerpc/fsetexcptflag.c: Correct. * sysdeps/powerpc/ftestexcpt.c: Is now much simpler. * sysdeps/powerpc/fgetexcptflg.c: Simplify. * sysdeps/powerpc/strlen.s: Schedule better, save 3 clocks :-). * sysdeps/powerpc/dl-machine.h (elf_machine_rela): Add comment explaining some reentrancy issues with lazy PLT entries. 1997-08-09 13:04 Mark Kettenis <kettenis@phys.uva.nl> * login/logout.c (logout): utmpname returns -1 on error. * login/libutil.map: Remove updwtmp. * login/getutline.c: Rename getutline to __getutline and make getutline a weak alias. Make getutxline a weak alias for __getutline. * login/getutid.c: Rename getutid to __getutid and make getutid a weak alias. Make getutxid a weak alias for __getutid. * libc.map: Add getutxid, getutxline. * login/utmpname.c (__utmpname): Reset backend right after backend endutent call. * login/utmp_file.c: Reordered functions. Remove unecessary header files. (getutent_r_file, pututline_file): Do not call setutent_file. At this point the file is guaranteed to be open (assert!). (getutid_r_file, getutline_r_file): Remove check for validity of file descriptor. At this point the file is guaranteed to be open. (getutent_r_file, internal_getut_r, getutline_r_file, pututline_file, updwtmp_file): Do not wait when unlocking file. * login/utmp_daemon.c: General cleanup and a bit of reordering. (getutent_r_daemon, pututline_daemon): Do not call setutent_daemon. At this point the socket is guaranteed to be open (assert!). (getutid_r_daemon, getutline_r_daemon): Do not check if daemon_sock is valid. At this point the socket is guaranteed to be open (assert!). * login/getutline_r.c: Remove unnecessary header files. (__getutline_r): Do not call backend setutent. * login/getutid_r.c: Remove unnecessary header files. (__getutid_r): Do not call backend setutent. * login/getutent_r.c: Remove unneccesary header files. (__libc_utmp_unknown_functions): Added getutid_r_unknown, getutline_r_unknown. (setutent_unknown): Only set file backend if setutent for the file backend was successful. (getutent_r_unknown, pututline_unknown): Call setutent_unknown instead of __setutent. Report failure if no backend was selected. (getutid_r_unknown): New function. (getutline_r_unknown): New function. (__endutent): Reset backend. This makes sure all backends are checked on the next setutent call. 1997-08-08 20:20 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis_cache.c: Replace dummy functions. * libc.map: Add xdr_sizeof symbol. * sunrpc/Makefile: Add xdr_sizeof to routines. * sunrpc/rpc/xdr.h: Add xdr_sizeof prototype. * sunrpc/xdr_sizeof.c: New, from tirpc 2.3. 1997-08-08 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/bits/libc-lock.h (__libc_once): Define correctly. 1997-08-07 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/profil.c (fetch_samples): Put parens in the right place. 1997-08-06 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/profil.c (fetch_samples): Do arithmetic on PC's in long long to avoid overflow. 1997-08-07 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/bits/libc-lock.h (__libc_once, __libc_once_define): New macros. 1997-08-06 Andreas Jaeger <aj@arthur.rhein-neckar.de> * nis/Makefile (headers): Remove bits/nislib.h. 1997-08-06 14:54 Ulrich Drepper <drepper@cygnus.com> * sysdeps/mach/hurd/Subdirs: Add login. 1997-08-06 14:23 Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de> * db/hash/hash.c (init_hash): Don't use stat() if it doesn't provide the preferred block size. * login/programs/database.c (store_state_entry): Don't compile if there is no ut_type field. (store_state_entry, store_process_entry): Use the ut_tv field for timestamps if supported. * login/programs/utmpdump.c (print_entry): Always use ut_tv field. * login/programs/xtmp.c: Fix numerous xtmp/utmp typos. Use the ut_tv field for timestamps if supported. * login/programs/xtmp.h: Fix xtmp/utmp typo. * sysdeps/posix/defs.c (stdstream): Change (PTR) to (void *). * sysdeps/stub/connect.c (connect): Change to __connect, add alias. * sysdeps/stub/send.c (send): Likewise. * sysdeps/stub/s_exp2f.c: Emit correct stub_warning(). * sysdeps/stub/statfs.c: Move stub_warning() to the usual place. * sysdeps/stub/init-first.c: Add definition of __libc_pid. 1997-08-05 13:28 Philip Blundell <pb@spring.nexus.co.uk> * sysdeps/standalone/arm/bits/errno.h: Add EISDIR, EOPNOTSUPP; tidy up formatting. * Makefile (subdirs): Remove `login'. * sysdeps/unix/Subdirs: New file; build `login' subdirectory for Unix systems. 1997-08-05 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/generic/bits/utmpx.h: New file. * sysdeps/mach/hurd/Dist: Add some files. * sysdeps/mips/Dist: Likewise. * sysdeps/mips/mips64/Dist: Likewise. * sysdeps/sparc/Dist: Likewise. * sysdeps/unix/sysv/linux/mips/Dist: Likewise. * sysdeps/unix/sysv/linux/sparc/Dist: Likewise. * sysdeps/mips/mipsel/Dist: New file. * sysdeps/sparc64/elf/Dist: New file. * sysdeps/unix/sysv/linux/sparc64/Dist: New file. 1997-08-05 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libc.map: Add missing symbols. 1997-08-05 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/socket.texi: Correct typos. * manual/math.texi: Correct typos. * manual/time.texi (Formatting Date and Time): Likewise. 1997-08-04 13:06 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * gmon/gmon.c (write_gmon): New function; guts from _mcleanup. (_mcleanup): Use write_gmon. (write_profiling): This function can be safely called at any time to write a current histogram without interfering with ongoing profiling. * sysdeps/mach/hurd/profil.c (fetch_samples): Initialize NSAMPLES. 1997-08-01 17:53 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/profil.c (fetch_samples): Sample buffer need not be vm_deallocated; it's a stack buffer. (profil_vm_deallocate): Delete prototype. (#include <../mach/RPC_vm_deallocate_rpc.c>): Drop this inclusion. * sysdeps/mach/hurd/Makefile ($(common-objpfx)hurd/../mach/RPC_vm_deallocate_rpc.c): Delete this rule. * sysdeps/mach/hurd/profil.c (fetch_samples): New function, guts from profile_waiter. (profile_waiter): Use fetch_samples. (profil): When turning off profiling, fetch the last bunch of samples before disabling PC sampling. (fetch_samples): Add prototype. 1997-07-30 12:53 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/Makefile: Give normal rules for the mach RPC source included by profil.c instead of trying to use before-compile grot. 1997-07-23 15:04 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/profil.c (profile_waiter): Do vm_deallocate after releasing lock. Use special RPC stubs and avoid assert, thus making this function entirely independent of the threadvar mechanism and of cthreads. (lock): Convert to be a spin lock instead of a mutex, so that the waiter thread need not use cthreads. Use a fork prepare hook instead of _hurd_fork_locks to make sure we are clean before forking. (fork_profil_child): Renamed from fork_profil. (profil_reply_port): New variable. (profil_vm_deallocate, profil_task_get_sampled_pcs): Special RPC stubs made by special hacks. * sysdeps/mach/hurd/Makefile (before-compile): Add the mach RPC source files that profil.c needs if we are in the gmon directory. * mach/setup-thread.c (__mach_setup_thread): Delete avoidance of a cthreads bug that hasn't existed for two years. * stdio-common/printf_fp.c (__printf_fp): Correct rounding of numbers * locale/programs/locale.c (print_escaped): New function. * time/australasia: Likewise. (open_database, synchronize_database, initialize_database): * nss/nss_files/files-netgrp.c (_nss_netgroup_parseline): Don't * Makerules (load-map-file): Currectly handle missing map file. cannot rely on M_SQRT2 being defined. (log1p): Use __M_SQRT2 not M_SQRT2.
Diffstat (limited to 'sysdeps/libm-i387')
-rw-r--r--sysdeps/libm-i387/e_rem_pio2.c3
-rw-r--r--sysdeps/libm-i387/e_rem_pio2f.c3
-rw-r--r--sysdeps/libm-i387/e_rem_pio2l.c3
-rw-r--r--sysdeps/libm-i387/k_rem_pio2.c3
-rw-r--r--sysdeps/libm-i387/k_rem_pio2f.c3
-rw-r--r--sysdeps/libm-i387/k_rem_pio2l.c3
-rw-r--r--sysdeps/libm-i387/s_cbrt.S78
-rw-r--r--sysdeps/libm-i387/s_cbrtf.S50
-rw-r--r--sysdeps/libm-i387/s_cbrtl.S143
9 files changed, 188 insertions, 101 deletions
diff --git a/sysdeps/libm-i387/e_rem_pio2.c b/sysdeps/libm-i387/e_rem_pio2.c
new file mode 100644
index 0000000000..1347b0468c
--- /dev/null
+++ b/sysdeps/libm-i387/e_rem_pio2.c
@@ -0,0 +1,3 @@
+/* Empty. This file is only meant to avoid compiling the file with the
+ same name in the libm-ieee754 directory. The code is not used since
+ there is an assembler version for all users of this file. */
diff --git a/sysdeps/libm-i387/e_rem_pio2f.c b/sysdeps/libm-i387/e_rem_pio2f.c
new file mode 100644
index 0000000000..1347b0468c
--- /dev/null
+++ b/sysdeps/libm-i387/e_rem_pio2f.c
@@ -0,0 +1,3 @@
+/* Empty. This file is only meant to avoid compiling the file with the
+ same name in the libm-ieee754 directory. The code is not used since
+ there is an assembler version for all users of this file. */
diff --git a/sysdeps/libm-i387/e_rem_pio2l.c b/sysdeps/libm-i387/e_rem_pio2l.c
new file mode 100644
index 0000000000..1347b0468c
--- /dev/null
+++ b/sysdeps/libm-i387/e_rem_pio2l.c
@@ -0,0 +1,3 @@
+/* Empty. This file is only meant to avoid compiling the file with the
+ same name in the libm-ieee754 directory. The code is not used since
+ there is an assembler version for all users of this file. */
diff --git a/sysdeps/libm-i387/k_rem_pio2.c b/sysdeps/libm-i387/k_rem_pio2.c
new file mode 100644
index 0000000000..1347b0468c
--- /dev/null
+++ b/sysdeps/libm-i387/k_rem_pio2.c
@@ -0,0 +1,3 @@
+/* Empty. This file is only meant to avoid compiling the file with the
+ same name in the libm-ieee754 directory. The code is not used since
+ there is an assembler version for all users of this file. */
diff --git a/sysdeps/libm-i387/k_rem_pio2f.c b/sysdeps/libm-i387/k_rem_pio2f.c
new file mode 100644
index 0000000000..1347b0468c
--- /dev/null
+++ b/sysdeps/libm-i387/k_rem_pio2f.c
@@ -0,0 +1,3 @@
+/* Empty. This file is only meant to avoid compiling the file with the
+ same name in the libm-ieee754 directory. The code is not used since
+ there is an assembler version for all users of this file. */
diff --git a/sysdeps/libm-i387/k_rem_pio2l.c b/sysdeps/libm-i387/k_rem_pio2l.c
new file mode 100644
index 0000000000..1347b0468c
--- /dev/null
+++ b/sysdeps/libm-i387/k_rem_pio2l.c
@@ -0,0 +1,3 @@
+/* Empty. This file is only meant to avoid compiling the file with the
+ same name in the libm-ieee754 directory. The code is not used since
+ there is an assembler version for all users of this file. */
diff --git a/sysdeps/libm-i387/s_cbrt.S b/sysdeps/libm-i387/s_cbrt.S
index 4b9a2b11c6..3f6a0174f2 100644
--- a/sysdeps/libm-i387/s_cbrt.S
+++ b/sysdeps/libm-i387/s_cbrt.S
@@ -28,34 +28,36 @@
#endif
.align ALIGNARG(4)
- ASM_TYPE_DIRECTIVE(f1,@object)
-f1: .double 0.354895765043919860
- ASM_SIZE_DIRECTIVE(f1)
- ASM_TYPE_DIRECTIVE(f2,@object)
-f2: .double 1.50819193781584896
- ASM_SIZE_DIRECTIVE(f2)
- ASM_TYPE_DIRECTIVE(f3,@object)
-f3: .double -2.11499494167371287
- ASM_SIZE_DIRECTIVE(f3)
- ASM_TYPE_DIRECTIVE(f4,@object)
-f4: .double 2.44693122563534430
- ASM_SIZE_DIRECTIVE(f4)
- ASM_TYPE_DIRECTIVE(f5,@object)
-f5: .double -1.83469277483613086
- ASM_SIZE_DIRECTIVE(f5)
- ASM_TYPE_DIRECTIVE(f6,@object)
-f6: .double 0.784932344976639262
- ASM_SIZE_DIRECTIVE(f6)
ASM_TYPE_DIRECTIVE(f7,@object)
f7: .double -0.145263899385486377
ASM_SIZE_DIRECTIVE(f7)
+ ASM_TYPE_DIRECTIVE(f6,@object)
+f6: .double 0.784932344976639262
+ ASM_SIZE_DIRECTIVE(f6)
+ ASM_TYPE_DIRECTIVE(f5,@object)
+f5: .double -1.83469277483613086
+ ASM_SIZE_DIRECTIVE(f5)
+ ASM_TYPE_DIRECTIVE(f4,@object)
+f4: .double 2.44693122563534430
+ ASM_SIZE_DIRECTIVE(f4)
+ ASM_TYPE_DIRECTIVE(f3,@object)
+f3: .double -2.11499494167371287
+ ASM_SIZE_DIRECTIVE(f3)
+ ASM_TYPE_DIRECTIVE(f2,@object)
+f2: .double 1.50819193781584896
+ ASM_SIZE_DIRECTIVE(f2)
+ ASM_TYPE_DIRECTIVE(f1,@object)
+f1: .double 0.354895765043919860
+ ASM_SIZE_DIRECTIVE(f1)
-#define CBRT2 1.2599210498948731648
-#define SQR_CBRT2 1.5874010519681994748
+#define CBRT2 1.2599210498948731648
+#define ONE_CBRT2 0.793700525984099737355196796584
+#define SQR_CBRT2 1.5874010519681994748
+#define ONE_SQR_CBRT2 0.629960524947436582364439673883
ASM_TYPE_DIRECTIVE(factor,@object)
-factor: .double 1.0 / SQR_CBRT2
- .double 1.0 / CBRT2
+factor: .double ONE_SQR_CBRT2
+ .double ONE_CBRT2
.double 1.0
.double CBRT2
.double SQR_CBRT2
@@ -67,10 +69,10 @@ two54: .byte 0, 0, 0, 0, 0, 0, 0x50, 0x43
#ifdef PIC
#define MO(op) op##@GOTOFF(%ebx)
-#define MOX(op,x,f) op##@GOTOFF(%ebx,x,f)
+#define MOX(op,x) op##@GOTOFF(%ebx,x,1)
#else
#define MO(op) op
-#define MOX(op,x,f) op(,x,f)
+#define MOX(op,x) op(x)
#endif
.text
@@ -102,8 +104,13 @@ ENTRY(__cbrt)
#endif
fmull MO(two54)
movl $-54, %ecx
+#ifdef PIC
+ fstpl 8(%esp)
+ movl 12(%esp), %eax
+#else
fstpl 4(%esp)
movl 8(%esp), %eax
+#endif
movl %eax, %edx
andl $0x7fffffff, %eax
@@ -123,11 +130,16 @@ ENTRY(__cbrt)
#endif
fabs
- /* The following code has two track:
+ /* The following code has two tracks:
a) compute the normalized cbrt value
b) compute xe/3 and xe%3
The right track computes the value for b) and this is done
- in an optimized way by avoiding division. */
+ in an optimized way by avoiding division.
+
+ But why two tracks at all? Very easy: efficiency. Some FP
+ instruction can overlap with a certain amount of integer (and
+ FP) instructions. So we get (except for the imull) all
+ instructions for free. */
fld %st(0) /* xm : xm */
@@ -161,20 +173,24 @@ ENTRY(__cbrt)
fadd %st(0) /* 2*t2 : t2+2*xm : u : xm */
subl %edx, %ecx
faddp %st, %st(3) /* t2+2*xm : u : 2*t2+xm */
+ shll $3, %ecx
fmulp /* u*(t2+2*xm) : 2*t2+xm */
fdivp %st, %st(1) /* u*(t2+2*xm)/(2*t2+xm) */
- fmull MOX(16+factor,%ecx,8) /* u*(t2+2*xm)/(2*t2+xm)*FACT */
+ fmull MOX(16+factor,%ecx) /* u*(t2+2*xm)/(2*t2+xm)*FACT */
pushl %eax
fildl (%esp) /* xe/3 : u*(t2+2*xm)/(2*t2+xm)*FACT */
fxch /* u*(t2+2*xm)/(2*t2+xm)*FACT : xe/3 */
- popl %eax
fscale /* u*(t2+2*xm)/(2*t2+xm)*FACT*2^xe/3 */
- fstp %st(1)
+ popl %edx
#ifdef PIC
+ movl 12(%esp), %eax
popl %ebx
+#else
+ movl 8(%esp), %eax
#endif
- testl $0x80000000, 8(%esp)
- jz 4f
+ testl %eax, %eax
+ fstp %st(1)
+ jns 4f
fchs
4: ret
diff --git a/sysdeps/libm-i387/s_cbrtf.S b/sysdeps/libm-i387/s_cbrtf.S
index 6978da2d40..a14e04ed2f 100644
--- a/sysdeps/libm-i387/s_cbrtf.S
+++ b/sysdeps/libm-i387/s_cbrtf.S
@@ -28,22 +28,25 @@
#endif
.align ALIGNARG(4)
- ASM_TYPE_DIRECTIVE(f1,@object)
-f1: .double 0.492659620528969547
- ASM_SIZE_DIRECTIVE(f1)
- ASM_TYPE_DIRECTIVE(f2,@object)
-f2: .double 0.697570460207922770
- ASM_SIZE_DIRECTIVE(f2)
ASM_TYPE_DIRECTIVE(f3,@object)
f3: .double 0.191502161678719066
ASM_SIZE_DIRECTIVE(f3)
+ ASM_TYPE_DIRECTIVE(f2,@object)
+f2: .double 0.697570460207922770
+ ASM_SIZE_DIRECTIVE(f2)
+ ASM_TYPE_DIRECTIVE(f1,@object)
+f1: .double 0.492659620528969547
+ ASM_SIZE_DIRECTIVE(f1)
-#define CBRT2 1.2599210498948731648
-#define SQR_CBRT2 1.5874010519681994748
+#define CBRT2 1.2599210498948731648
+#define ONE_CBRT2 0.793700525984099737355196796584
+#define SQR_CBRT2 1.5874010519681994748
+#define ONE_SQR_CBRT2 0.629960524947436582364439673883
ASM_TYPE_DIRECTIVE(factor,@object)
-factor: .double 1.0 / SQR_CBRT2
- .double 1.0 / CBRT2
+ .align ALIGNARG(4)
+factor: .double ONE_SQR_CBRT2
+ .double ONE_CBRT2
.double 1.0
.double CBRT2
.double SQR_CBRT2
@@ -55,10 +58,10 @@ two25: .byte 0, 0, 0, 0x4c
#ifdef PIC
#define MO(op) op##@GOTOFF(%ebx)
-#define MOX(op,x,f) op##@GOTOFF(%ebx,x,f)
+#define MOX(op,x) op##@GOTOFF(%ebx,x,1)
#else
#define MO(op) op
-#define MOX(op,x,f) op(,x,f)
+#define MOX(op,x) op(x)
#endif
.text
@@ -114,11 +117,16 @@ ENTRY(__cbrtf)
#endif
fabs
- /* The following code has two track:
+ /* The following code has two tracks:
a) compute the normalized cbrt value
b) compute xe/3 and xe%3
The right track computes the value for b) and this is done
- in an optimized way by avoiding division. */
+ in an optimized way by avoiding division.
+
+ But why two tracks at all? Very easy: efficiency. Some FP
+ instruction can overlap with a certain amount of integer (and
+ FP) instructions. So we get (except for the imull) all
+ instructions for free. */
fld %st(0) /* xm : xm */
fmull MO(f3) /* f3*xm : xm */
@@ -142,20 +150,24 @@ ENTRY(__cbrtf)
fadd %st(0) /* 2*t2 : t2+2*xm : u : xm */
subl %edx, %ecx
faddp %st, %st(3) /* t2+2*xm : u : 2*t2+xm */
+ shll $3, %ecx
fmulp /* u*(t2+2*xm) : 2*t2+xm */
fdivp %st, %st(1) /* u*(t2+2*xm)/(2*t2+xm) */
- fmull MOX(16+factor,%ecx,8) /* u*(t2+2*xm)/(2*t2+xm)*FACT */
+ fmull MOX(16+factor,%ecx) /* u*(t2+2*xm)/(2*t2+xm)*FACT */
pushl %eax
fildl (%esp) /* xe/3 : u*(t2+2*xm)/(2*t2+xm)*FACT */
fxch /* u*(t2+2*xm)/(2*t2+xm)*FACT : xe/3 */
- popl %eax
fscale /* u*(t2+2*xm)/(2*t2+xm)*FACT*2^xe/3 */
- fstp %st(1)
+ popl %edx
#ifdef PIC
+ movl 8(%esp), %eax
popl %ebx
+#else
+ movl 4(%esp), %eax
#endif
- testl $0x80000000, 4(%esp)
- jz 4f
+ testl %eax, %eax
+ fstp %st(1)
+ jns 4f
fchs
4: ret
diff --git a/sysdeps/libm-i387/s_cbrtl.S b/sysdeps/libm-i387/s_cbrtl.S
index b2023d1991..6a3b9a8dc5 100644
--- a/sysdeps/libm-i387/s_cbrtl.S
+++ b/sysdeps/libm-i387/s_cbrtl.S
@@ -28,52 +28,69 @@
#endif
.align ALIGNARG(4)
- ASM_TYPE_DIRECTIVE(f1,@object)
-f1: .double 0.338058687610520237
- ASM_SIZE_DIRECTIVE(f1)
- ASM_TYPE_DIRECTIVE(f2,@object)
-f2: .double 1.67595307700780102
- ASM_SIZE_DIRECTIVE(f2)
- ASM_TYPE_DIRECTIVE(f3,@object)
-f3: .double -2.82414939754975962
- ASM_SIZE_DIRECTIVE(f3)
- ASM_TYPE_DIRECTIVE(f4,@object)
-f4: .double 4.09559907378707839
- ASM_SIZE_DIRECTIVE(f4)
- ASM_TYPE_DIRECTIVE(f5,@object)
-f5: .double -4.11151425200350531
- ASM_SIZE_DIRECTIVE(f5)
- ASM_TYPE_DIRECTIVE(f6,@object)
-f6: .double 2.65298938441952296
- ASM_SIZE_DIRECTIVE(f6)
- ASM_TYPE_DIRECTIVE(f7,@object)
-f7: .double -0.988553671195413709
- ASM_SIZE_DIRECTIVE(f7)
ASM_TYPE_DIRECTIVE(f8,@object)
-f8: .double 0.161617097923756032
+f8: .tfloat 0.161617097923756032
ASM_SIZE_DIRECTIVE(f8)
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(f7,@object)
+f7: .tfloat -0.988553671195413709
+ ASM_SIZE_DIRECTIVE(f7)
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(f6,@object)
+f6: .tfloat 2.65298938441952296
+ ASM_SIZE_DIRECTIVE(f6)
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(f5,@object)
+f5: .tfloat -4.11151425200350531
+ ASM_SIZE_DIRECTIVE(f5)
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(f4,@object)
+f4: .tfloat 4.09559907378707839
+ ASM_SIZE_DIRECTIVE(f4)
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(f3,@object)
+f3: .tfloat -2.82414939754975962
+ ASM_SIZE_DIRECTIVE(f3)
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(f2,@object)
+f2: .tfloat 1.67595307700780102
+ ASM_SIZE_DIRECTIVE(f2)
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(f1,@object)
+f1: .tfloat 0.338058687610520237
+ ASM_SIZE_DIRECTIVE(f1)
-#define CBRT2 1.2599210498948731648
-#define SQR_CBRT2 1.5874010519681994748
+#define CBRT2 1.2599210498948731648
+#define ONE_CBRT2 0.793700525984099737355196796584
+#define SQR_CBRT2 1.5874010519681994748
+#define ONE_SQR_CBRT2 0.629960524947436582364439673883
+ /* We make the entries in the following table all 16 bytes
+ wide to avoid having to implement a multiplication by 10. */
ASM_TYPE_DIRECTIVE(factor,@object)
-factor: .double 1.0 / SQR_CBRT2
- .double 1.0 / CBRT2
- .double 1.0
- .double CBRT2
- .double SQR_CBRT2
+ .align ALIGNARG(4)
+factor: .tfloat ONE_SQR_CBRT2
+ .byte 0, 0, 0, 0, 0, 0
+ .tfloat ONE_CBRT2
+ .byte 0, 0, 0, 0, 0, 0
+ .tfloat 1.0
+ .byte 0, 0, 0, 0, 0, 0
+ .tfloat CBRT2
+ .byte 0, 0, 0, 0, 0, 0
+ .tfloat SQR_CBRT2
ASM_SIZE_DIRECTIVE(factor)
ASM_TYPE_DIRECTIVE(two64,@object)
+ .align ALIGNARG(4)
two64: .byte 0, 0, 0, 0, 0, 0, 0xf0, 0x43
ASM_SIZE_DIRECTIVE(two64)
#ifdef PIC
#define MO(op) op##@GOTOFF(%ebx)
-#define MOX(op,x,f) op##@GOTOFF(%ebx,x,f)
+#define MOX(op,x) op##@GOTOFF(%ebx,x,1)
#else
#define MO(op) op
-#define MOX(op,x,f) op(,x,f)
+#define MOX(op,x) op(x)
#endif
.text
@@ -97,7 +114,7 @@ ENTRY(__cbrtl)
#endif
cmpl $0, %eax
- je 2f
+ jne 2f
#ifdef PIC
fldt 8(%esp)
@@ -106,8 +123,13 @@ ENTRY(__cbrtl)
#endif
fmull MO(two64)
movl $-64, %ecx
+#ifdef PIC
+ fstpt 8(%esp)
+ movl 16(%esp), %eax
+#else
fstpt 4(%esp)
movl 12(%esp), %eax
+#endif
movl %eax, %edx
andl $0x7fff, %eax
@@ -126,31 +148,45 @@ ENTRY(__cbrtl)
#endif
fabs
- /* The following code has two track:
+ /* The following code has two tracks:
a) compute the normalized cbrt value
b) compute xe/3 and xe%3
The right track computes the value for b) and this is done
- in an optimized way by avoiding division. */
+ in an optimized way by avoiding division.
- fld %st(0) /* xm : xm */
+ But why two tracks at all? Very easy: efficiency. Some FP
+ instruction can overlap with a certain amount of integer (and
+ FP) instructions. So we get (except for the imull) all
+ instructions for free. */
- fmull MO(f7) /* f7*xm : xm */
+ fldt MO(f8) /* f8 : xm */
+ fmul %st(1) /* f8*xm : xm */
+
+ fldt MO(f7)
+ faddp /* f7+f8*xm : xm */
+ fmul %st(1) /* (f7+f8*xm)*xm : xm */
movl $1431655766, %eax
- faddl MO(f6) /* f6+f7*xm : xm */
+ fldt MO(f6)
+ faddp /* f6+(f7+f8*xm)*xm : xm */
imull %ecx
- fmul %st(1) /* (f6+f7*xm)*xm : xm */
+ fmul %st(1) /* (f6+(f7+f8*xm)*xm)*xm : xm */
movl %ecx, %eax
- faddl MO(f5) /* f5+(f6+f7*xm)*xm : xm */
+ fldt MO(f5)
+ faddp /* f5+(f6+(f7+f8*xm)*xm)*xm : xm */
sarl $31, %eax
- fmul %st(1) /* (f5+(f6+f7*xm)*xm)*xm : xm */
+ fmul %st(1) /* (f5+(f6+(f7+f8*xm)*xm)*xm)*xm : xm */
subl %eax, %edx
- faddl MO(f4) /* f4+(f5+(f6+f7*xm)*xm)*xm : xm */
- fmul %st(1) /* (f4+(f5+(f6+f7*xm)*xm)*xm)*xm : xm */
- faddl MO(f3) /* f3+(f4+(f5+(f6+f7*xm)*xm)*xm)*xm : xm */
- fmul %st(1) /* (f3+(f4+(f5+(f6+f7*xm)*xm)*xm)*xm)*xm : xm */
- faddl MO(f2) /* f2+(f3+(f4+(f5+(f6+f7*xm)*xm)*xm)*xm)*xm : xm */
- fmul %st(1) /* (f2+(f3+(f4+(f5+(f6+f7*xm)*xm)*xm)*xm)*xm)*xm : xm */
- faddl MO(f1) /* u:=f1+(f2+(f3+(f4+(f5+(f6+f7*xm)*xm)*xm)*xm)*xm)*xm : xm */
+ fldt MO(f4)
+ faddp /* f4+(f5+(f6+(f7+f8*xm)*xm)*xm)*xm : xm */
+ fmul %st(1) /* (f4+(f5+(f6+(f7+f8*xm)*xm)*xm)*xm)*xm : xm */
+ fldt MO(f3)
+ faddp /* f3+(f4+(f5+(f6+(f7+f8*xm)*xm)*xm)*xm)*xm : xm */
+ fmul %st(1) /* (f3+(f4+(f5+(f6+(f7+f8*xm)*xm)*xm)*xm)*xm)*xm : xm */
+ fldt MO(f2)
+ faddp /* f2+(f3+(f4+(f5+(f6+(f7+f8*xm)*xm)*xm)*xm)*xm)*xm : xm */
+ fmul %st(1) /* (f2+(f3+(f4+(f5+(f6+(f7+f8*xm)*xm)*xm)*xm)*xm)*xm)*xm : xm */
+ fldt MO(f1)
+ faddp /* u:=f1+(f2+(f3+(f4+(f5+(f6+(f7+f8*xm)*xm)*xm)*xm)*xm)*xm)*xm : xm */
fld %st /* u : u : xm */
fmul %st(1) /* u*u : u : xm */
@@ -164,19 +200,24 @@ ENTRY(__cbrtl)
fadd %st(0) /* 2*t2 : t2+2*xm : u : xm */
subl %edx, %ecx
faddp %st, %st(3) /* t2+2*xm : u : 2*t2+xm */
+ shll $4, %ecx
fmulp /* u*(t2+2*xm) : 2*t2+xm */
fdivp %st, %st(1) /* u*(t2+2*xm)/(2*t2+xm) */
- fmull MOX(16+factor,%ecx,8) /* u*(t2+2*xm)/(2*t2+xm)*FACT */
+ fldt MOX(32+factor,%ecx)
+ fmulp /* u*(t2+2*xm)/(2*t2+xm)*FACT */
pushl %eax
fildl (%esp) /* xe/3 : u*(t2+2*xm)/(2*t2+xm)*FACT */
fxch /* u*(t2+2*xm)/(2*t2+xm)*FACT : xe/3 */
- popl %eax
fscale /* u*(t2+2*xm)/(2*t2+xm)*FACT*2^xe/3 */
- fstp %st(1)
+ popl %edx
#ifdef PIC
+ movl 16(%esp), %eax
popl %ebx
+#else
+ movl 12(%esp), %eax
#endif
- testl $0x8000, 12(%esp)
+ testl $0x8000, %eax
+ fstp %st(1)
jz 4f
fchs
4: ret