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[BZ #5768]
2008-02-19 Steven Munroe <sjmunroe@us.ibm.com> [BZ #5768] * sysdeps/powerpc/fpu/Makefile (libm-tests): Add test-powerpc-snan. * sysdeps/powerpc/fpu/test-powerpc-snan.c: New file. 2008-02-18 Steven Munroe <sjmunroe@us.ibm.com> [BZ #5768] * sysdeps/powerpc/powerpc32/fpu/s_isnan.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_isnan.c: Removed. * sysdeps/powerpc/powerpc64/fpu/s_isnan.S: New file. * sysdeps/powerpc/powerpc64/fpu/s_isnan.c: Removed.
This commit is contained in:
Ulrich Drepper
parent
1ee82cfa18
commit
5f7aead5c4
14
ChangeLog
14
ChangeLog
@ -1,3 +1,17 @@
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2008-02-19 Steven Munroe <sjmunroe@us.ibm.com>
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[BZ #5768]
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* sysdeps/powerpc/fpu/Makefile (libm-tests): Add test-powerpc-snan.
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* sysdeps/powerpc/fpu/test-powerpc-snan.c: New file.
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2008-02-18 Steven Munroe <sjmunroe@us.ibm.com>
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[BZ #5768]
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* sysdeps/powerpc/powerpc32/fpu/s_isnan.S: New file.
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* sysdeps/powerpc/powerpc32/fpu/s_isnan.c: Removed.
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* sysdeps/powerpc/powerpc64/fpu/s_isnan.S: New file.
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* sysdeps/powerpc/powerpc64/fpu/s_isnan.c: Removed.
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2008-04-10 Jakub Jelinek <jakub@redhat.com>
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* stdlib/tst-makecontext.c (othervar): New variable.
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@ -1,5 +1,6 @@
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ifeq ($(subdir),math)
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libm-support += fenv_const fe_nomask fe_mask t_sqrt
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libm-tests += test-powerpc-snan
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# libm needs ld.so to access dl_hwcap
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$(objpfx)libm.so: $(elfobjdir)/ld.so
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385
sysdeps/powerpc/fpu/test-powerpc-snan.c
Normal file
385
sysdeps/powerpc/fpu/test-powerpc-snan.c
Normal file
@ -0,0 +1,385 @@
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/* Test Signalling NaN in isnan, isinf etc functions.
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Copyright (C) 2008 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Jaeger <aj@suse.de>, 2005.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#define _GNU_SOURCE
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#define __USE_GNU
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <string.h>
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#include <math.h>
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#include <float.h>
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#include <fenv.h>
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#include <signal.h>
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#include <setjmp.h>
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#include <errno.h>
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int dest_offset;
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char *dest_address;
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double value = 123.456;
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double zero = 0.0;
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float SNANf;
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double SNAN;
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long double SNANl;
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static sigjmp_buf sigfpe_buf;
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void
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init_signaling_nan()
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{
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union {
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double _ld16;
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double _d8;
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unsigned int _ui4[4];
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float _f4;
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} nan_temp;
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nan_temp._ui4[0] = 0x7fa00000;
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SNANf = nan_temp._f4;
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nan_temp._ui4[0] = 0x7ff40000;
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nan_temp._ui4[1] = 0x00000000;
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SNAN = nan_temp._d8;
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nan_temp._ui4[0] = 0x7ff40000;
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nan_temp._ui4[1] = 0x00000000;
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nan_temp._ui4[2] = 0x00000000;
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nan_temp._ui4[3] = 0x00000000;
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SNANl = nan_temp._ld16;
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}
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static float
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snan_float (void)
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{
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return SNANf;
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}
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static double
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snan_double (void)
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{
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return SNAN;
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}
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typedef long double ldouble;
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static ldouble
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snan_ldouble (void)
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{
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return SNANl;
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}
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void
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myFPsighandler(int signal,
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siginfo_t *info,
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void *context)
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{
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siglongjmp(sigfpe_buf, 0);
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}
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int
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set_sigaction_FP(void)
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{
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struct sigaction sa;
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/* register RT signal handler via sigaction */
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sa.sa_flags = SA_SIGINFO;
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sa.sa_sigaction = &myFPsighandler;
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sigemptyset(&sa.sa_mask);
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sigaction(SIGFPE, &sa, NULL);
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return 0;
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}
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int
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remove_sigaction_FP(void)
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{
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struct sigaction sa;
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/* restore default RT signal handler via sigaction */
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sa.sa_flags = SA_SIGINFO;
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sa.sa_handler = SIG_DFL;
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sigemptyset(&sa.sa_mask);
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sigaction(SIGFPE, &sa, NULL);
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return 0;
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}
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static int errors = 0;
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static void
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check (const char *testname, int result)
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{
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if (!result) {
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printf ("Failure: %s\n", testname);
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errors++;
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}
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}
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#define TEST_FUNC(NAME, FLOAT) \
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static void \
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NAME (void) \
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{ \
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/* Variables are declared volatile to forbid some compiler \
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optimizations. */ \
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volatile FLOAT Inf_var, NaN_var, zero_var, one_var, SNaN_var; \
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fenv_t saved_fenv; \
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\
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zero_var = 0.0; \
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one_var = 1.0; \
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NaN_var = zero_var / zero_var; \
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SNaN_var = snan_##FLOAT (); \
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Inf_var = one_var / zero_var; \
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\
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(void) &zero_var; \
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(void) &one_var; \
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(void) &NaN_var; \
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(void) &SNaN_var; \
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(void) &Inf_var; \
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\
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set_sigaction_FP (); \
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fegetenv(&saved_fenv); \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isnan(NaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isnan (NaN)", isnan (NaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isnan(-NaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isnan (-NaN)", isnan (-NaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isnan(SNaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isnan (SNaN)", isnan (SNaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isnan(-SNaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isnan (-SNaN)", isnan (-SNaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isinf(NaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isinf (NaN)", !isinf (NaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isinf(-NaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isinf (-NaN)", !isinf (-NaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isinf(SNaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isinf (SNaN)", !isinf (SNaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isinf(-SNaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isinf (-SNaN)", !isinf (-SNaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isfinite(NaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isfinite (NaN)", !isfinite (NaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isfinite(-NaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isfinite (-NaN)", !isfinite (-NaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isfinite(SNaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isfinite (SNaN)", !isfinite (SNaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isfinite(-SNaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isfinite (-SNaN)", !isfinite (-SNaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isnormal(NaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isnormal (NaN)", !isnormal (NaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isnormal(-NaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isnormal (-NaN)", !isnormal (-NaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isnormal(SNaN) isnormal SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isnormal (SNaN)", !isnormal (SNaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " isnormal(-SNaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " isnormal (-SNaN)", !isnormal (-SNaN_var)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
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{ \
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printf (#FLOAT " fpclassify(NaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " fpclassify (NaN)", (fpclassify (NaN_var)==FP_NAN)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
|
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{ \
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printf (#FLOAT " fpclassify(-NaN) raised SIGFPE\n"); \
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errors++; \
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} else { \
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check (#FLOAT " fpclassify (-NaN)", (fpclassify (-NaN_var)==FP_NAN)); \
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} \
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\
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feclearexcept(FE_ALL_EXCEPT); \
|
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feenableexcept (FE_ALL_EXCEPT); \
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if (sigsetjmp(sigfpe_buf, 0)) \
|
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{ \
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printf (#FLOAT " fpclassify(SNaN) isnormal SIGFPE\n"); \
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errors++; \
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} else { \
|
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check (#FLOAT " fpclassify (SNaN)", (fpclassify (SNaN_var)==FP_NAN)); \
|
||||
} \
|
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\
|
||||
feclearexcept(FE_ALL_EXCEPT); \
|
||||
feenableexcept (FE_ALL_EXCEPT); \
|
||||
if (sigsetjmp(sigfpe_buf, 0)) \
|
||||
{ \
|
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printf (#FLOAT " fpclassify(-SNaN) raised SIGFPE\n"); \
|
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errors++; \
|
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} else { \
|
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check (#FLOAT " fpclassify (-SNaN)", (fpclassify (-SNaN_var)==FP_NAN)); \
|
||||
} \
|
||||
\
|
||||
fesetenv(&saved_fenv); /* restore saved fenv */ \
|
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remove_sigaction_FP(); \
|
||||
}
|
||||
|
||||
TEST_FUNC (float_test, float)
|
||||
TEST_FUNC (double_test, double)
|
||||
#ifndef NO_LONG_DOUBLE
|
||||
TEST_FUNC (ldouble_test, ldouble)
|
||||
#endif
|
||||
|
||||
static int
|
||||
do_test (void)
|
||||
{
|
||||
init_signaling_nan();
|
||||
|
||||
float_test();
|
||||
double_test();
|
||||
#ifndef NO_LONG_DOUBLE
|
||||
ldouble_test();
|
||||
#endif
|
||||
|
||||
return errors != 0;
|
||||
}
|
||||
|
||||
#define TEST_FUNCTION do_test ()
|
||||
#include "../test-skeleton.c"
|
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|
||||
@ -1,7 +0,0 @@
|
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#include <sysdeps/powerpc/fpu/s_isnan.c>
|
||||
#ifndef IS_IN_libm
|
||||
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
|
||||
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
|
||||
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
|
||||
# endif
|
||||
#endif
|
||||
57
sysdeps/powerpc/powerpc64/fpu/s_isnan.S
Normal file
57
sysdeps/powerpc/powerpc64/fpu/s_isnan.S
Normal file
@ -0,0 +1,57 @@
|
||||
/* isnan(). PowerPC64 version.
|
||||
Copyright (C) 2008 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
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.
|
||||
|
||||
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
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <math_ldbl_opt.h>
|
||||
|
||||
/* int __isnan(x) */
|
||||
.machine power4
|
||||
EALIGN (__isnan, 4, 0)
|
||||
CALL_MCOUNT 0
|
||||
mffs fp0
|
||||
mtfsb0 4*cr6+lt /* reset_fpscr_bit (FPSCR_VE) */
|
||||
fcmpu cr7,fp1,fp1
|
||||
mtfsf 255,fp0
|
||||
li r3,0
|
||||
beqlr+ cr7 /* (x == x) then not a NAN */
|
||||
li r3,1 /* else must be a NAN */
|
||||
blr
|
||||
END (__isnan)
|
||||
|
||||
hidden_def (__isnan)
|
||||
weak_alias (__isnan, isnan)
|
||||
|
||||
/* It turns out that the 'double' version will also always work for
|
||||
single-precision. */
|
||||
strong_alias (__isnan, __isnanf)
|
||||
hidden_def (__isnanf)
|
||||
weak_alias (__isnanf, isnanf)
|
||||
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__isnan, __isnanl)
|
||||
weak_alias (__isnan, isnanl)
|
||||
#endif
|
||||
|
||||
#ifndef IS_IN_libm
|
||||
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
|
||||
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
|
||||
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
|
||||
# endif
|
||||
#endif
|
||||
|
||||
@ -1,7 +0,0 @@
|
||||
#include <sysdeps/powerpc/fpu/s_isnan.c>
|
||||
#ifndef IS_IN_libm
|
||||
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
|
||||
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
|
||||
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
|
||||
# endif
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user