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Add fenv test support for targets which don't have FP traps.

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This commit is contained in:
Wilco 2014-04-17 09:39:27 +01:00 committed by Marcus Shawcroft
parent bc93ab2946
commit 423a7160af
4 changed files with 36 additions and 10 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
2014-04-17 Wilco <wdijkstr@arm.com>
* sysdeps/arm/math-tests.h: New file: Set ARM math-test settings.
* sysdeps/generic/math-tests.h: Add macro (EXCEPTION_ENABLE_SUPPORTED).
* math/test-fenv.c: Skip exception trap tests on targets which only
support non-stop mode.
2014-04-17 Ian Bolton <ian.bolton@arm.com>
Wilco Dijkstra <wilco.dijkstra@arm.com>

25
math/test-fenv.c
View File

@ -36,6 +36,7 @@
#include <unistd.h>
#include <sys/wait.h>
#include <sys/resource.h>
#include <math-tests.h>
/*
Since not all architectures might define all exceptions, we define
@ -233,14 +234,9 @@ feenv_nomask_test (const char *flag_name, int fe_exc)
#if defined FE_NOMASK_ENV
int status;
pid_t pid;
fenv_t saved;
fegetenv (&saved);
errno = 0;
fesetenv (FE_NOMASK_ENV);
status = errno;
fesetenv (&saved);
if (status == ENOSYS)
if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT)
&& fesetenv (FE_NOMASK_ENV) != 0)
{
printf ("Test: not testing FE_NOMASK_ENV, it isn't implemented.\n");
return;
@ -349,7 +345,13 @@ feexcp_nomask_test (const char *flag_name, int fe_exc)
int status;
pid_t pid;
printf ("Test: after fedisableexcept (%s) processes will abort\n",
if (!EXCEPTION_ENABLE_SUPPORTED (fe_exc) && feenableexcept (fe_exc) == -1)
{
printf ("Test: not testing feenableexcept, it isn't implemented.\n");
return;
}
printf ("Test: after feenableexcept (%s) processes will abort\n",
flag_name);
printf (" when feraiseexcept (%s) is called.\n", flag_name);
pid = fork ();
@ -470,7 +472,6 @@ feenable_test (const char *flag_name, int fe_exc)
{
int excepts;
printf ("Tests for feenableexcepts etc. with flag %s\n", flag_name);
/* First disable all exceptions. */
@ -488,8 +489,12 @@ feenable_test (const char *flag_name, int fe_exc)
flag_name, excepts);
++count_errors;
}
excepts = feenableexcept (fe_exc);
if (!EXCEPTION_ENABLE_SUPPORTED (fe_exc) && excepts == -1)
{
printf ("Test: not testing feenableexcept, it isn't implemented.\n");
return;
}
if (excepts == -1)
{
printf ("Test: feenableexcept (%s) failed\n", flag_name);

3
sysdeps/arm/math-tests.h
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@ -29,4 +29,7 @@
# define EXCEPTION_TESTS_long_double 0
#endif
/* Not all VFP implementations support trapping exceptions. */
#define EXCEPTION_ENABLE_SUPPORTED(EXCEPT) ((EXCEPT) == 0)
#include_next <math-tests.h>

11
sysdeps/generic/math-tests.h
View File

@ -76,3 +76,14 @@
(sizeof (TYPE) == sizeof (float) ? EXCEPTION_TESTS_float \
: sizeof (TYPE) == sizeof (double) ? EXCEPTION_TESTS_double \
: EXCEPTION_TESTS_long_double)
/* Indicate whether the given exception trap(s) can be enabled
in feenableexcept. If non-zero, the traps are always supported.
If zero, traps may or may not be supported depending on the
target (this can be determined by checking the return value
of feenableexcept). This enables skipping of tests which use
traps. By default traps are supported unless overridden. */
#ifndef EXCEPTION_ENABLE_SUPPORTED
# define EXCEPTION_ENABLE_SUPPORTED(EXCEPT) \
(EXCEPTION_TESTS_float || EXCEPTION_TESTS_double)
#endif