On 32-bit x86, disable certain tests involving sNaN values.

Follow-up to commit 495ded2c8c.
This commit is contained in:
Thomas Schwinge 2013-03-19 10:16:49 +01:00
parent 98c48fe5cc
commit 5aa4a1a1fd
4 changed files with 91 additions and 10 deletions

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@ -1,3 +1,10 @@
2013-03-21 Thomas Schwinge <thomas@codesourcery.com>
* sysdeps/generic/math-tests.h: New file.
* sysdeps/i386/fpu/math-tests.h: Likewise.
* math/test-snan.c: Include it.
(TEST_FUNC): Use SNAN_TESTS to short-circuit certain tests.
2013-03-21 Joseph Myers <joseph@codesourcery.com>
[BZ #15285]

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@ -29,6 +29,9 @@
#include <setjmp.h>
#include <errno.h>
#include <math-tests.h>
int dest_offset;
char *dest_address;
double value = 123.456;
@ -139,7 +142,8 @@ NAME (void) \
printf (#FLOAT " isnan (sNaN) raised SIGFPE\n"); \
errors++; \
} else { \
check (#FLOAT " isnan (sNaN)", isnan (sNaN_var)); \
check (#FLOAT " isnan (sNaN)", \
SNAN_TESTS (FLOAT) ? isnan (sNaN_var) : 1); \
} \
\
feclearexcept(FE_ALL_EXCEPT); \
@ -149,7 +153,8 @@ NAME (void) \
printf (#FLOAT " isnan (-sNaN) raised SIGFPE\n"); \
errors++; \
} else { \
check (#FLOAT " isnan (-sNaN)", isnan (minus_sNaN_var)); \
check (#FLOAT " isnan (-sNaN)", \
SNAN_TESTS (FLOAT) ? isnan (minus_sNaN_var) : 1); \
} \
\
feclearexcept(FE_ALL_EXCEPT); \
@ -179,7 +184,8 @@ NAME (void) \
printf (#FLOAT " isinf (sNaN) raised SIGFPE\n"); \
errors++; \
} else { \
check (#FLOAT " isinf (sNaN)", !isinf (sNaN_var)); \
check (#FLOAT " isinf (sNaN)", \
SNAN_TESTS (FLOAT) ? !isinf (sNaN_var) : 1); \
} \
\
feclearexcept(FE_ALL_EXCEPT); \
@ -189,7 +195,8 @@ NAME (void) \
printf (#FLOAT " isinf (-sNaN) raised SIGFPE\n"); \
errors++; \
} else { \
check (#FLOAT " isinf (-sNaN)", !isinf (minus_sNaN_var)); \
check (#FLOAT " isinf (-sNaN)", \
SNAN_TESTS (FLOAT) ? !isinf (minus_sNaN_var) : 1); \
} \
\
feclearexcept(FE_ALL_EXCEPT); \
@ -219,7 +226,8 @@ NAME (void) \
printf (#FLOAT " isfinite (sNaN) raised SIGFPE\n"); \
errors++; \
} else { \
check (#FLOAT " isfinite (sNaN)", !isfinite (sNaN_var)); \
check (#FLOAT " isfinite (sNaN)", \
SNAN_TESTS (FLOAT) ? !isfinite (sNaN_var) : 1); \
} \
\
feclearexcept(FE_ALL_EXCEPT); \
@ -229,7 +237,8 @@ NAME (void) \
printf (#FLOAT " isfinite (-sNaN) raised SIGFPE\n"); \
errors++; \
} else { \
check (#FLOAT " isfinite (-sNaN)", !isfinite (minus_sNaN_var)); \
check (#FLOAT " isfinite (-sNaN)", \
SNAN_TESTS (FLOAT) ? !isfinite (minus_sNaN_var) : 1); \
} \
\
feclearexcept(FE_ALL_EXCEPT); \
@ -259,7 +268,8 @@ NAME (void) \
printf (#FLOAT " isnormal (sNaN) isnormal SIGFPE\n"); \
errors++; \
} else { \
check (#FLOAT " isnormal (sNaN)", !isnormal (sNaN_var)); \
check (#FLOAT " isnormal (sNaN)", \
SNAN_TESTS (FLOAT) ? !isnormal (sNaN_var) : 1); \
} \
\
feclearexcept(FE_ALL_EXCEPT); \
@ -269,7 +279,8 @@ NAME (void) \
printf (#FLOAT " isnormal (-sNaN) raised SIGFPE\n"); \
errors++; \
} else { \
check (#FLOAT " isnormal (-sNaN)", !isnormal (minus_sNaN_var)); \
check (#FLOAT " isnormal (-sNaN)", \
SNAN_TESTS (FLOAT) ? !isnormal (minus_sNaN_var) : 1); \
} \
\
feclearexcept(FE_ALL_EXCEPT); \
@ -299,7 +310,8 @@ NAME (void) \
printf (#FLOAT " fpclassify (sNaN) isnormal SIGFPE\n"); \
errors++; \
} else { \
check (#FLOAT " fpclassify (sNaN)", fpclassify (sNaN_var) == FP_NAN); \
check (#FLOAT " fpclassify (sNaN)", \
SNAN_TESTS (FLOAT) ? fpclassify (sNaN_var) == FP_NAN : 1); \
} \
\
feclearexcept(FE_ALL_EXCEPT); \
@ -310,7 +322,7 @@ NAME (void) \
errors++; \
} else { \
check (#FLOAT " fpclassify (-sNaN)", \
fpclassify (minus_sNaN_var) == FP_NAN); \
SNAN_TESTS (FLOAT) ? fpclassify (minus_sNaN_var) == FP_NAN : 1); \
} \
\
fesetenv(&saved_fenv); /* restore saved fenv */ \

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@ -0,0 +1,36 @@
/* Configuration for math tests. Generic version.
Copyright (C) 2013 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, see
<http://www.gnu.org/licenses/>. */
/* Indicate whether to run tests involving sNaN values for the float, double,
and long double C data types, respectively. All are run unless
overridden. */
#ifndef SNAN_TESTS_float
# define SNAN_TESTS_float 1
#endif
#ifndef SNAN_TESTS_double
# define SNAN_TESTS_double 1
#endif
#ifndef SNAN_TESTS_long_double
# define SNAN_TESTS_long_double 1
#endif
/* Return nonzero value if to run tests involving sNaN values for X. */
#define SNAN_TESTS(x) \
(sizeof (x) == sizeof (float) ? SNAN_TESTS_float \
: sizeof (x) == sizeof (double) ? SNAN_TESTS_double \
: SNAN_TESTS_long_double)

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@ -0,0 +1,26 @@
/* Configuration for math tests. 32-bit x86 version.
Copyright (C) 2013 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, see
<http://www.gnu.org/licenses/>. */
/* On 32-bit x86, versions of GCC up to at least 4.8 are happy to use FPU load
instructions for sNaN values, and loading a float or double sNaN value will
already raise an INVALID exception as well as turn the sNaN into a qNaN,
rendering certain tests infeasible in this scenario. */
#define SNAN_TESTS_float 0
#define SNAN_TESTS_double 0
#include_next <math-tests.h>