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Diffstat (limited to 'sysdeps/tile/math_private.h')
-rw-r--r-- | sysdeps/tile/math_private.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/tile/math_private.h b/sysdeps/tile/math_private.h new file mode 100644 index 0000000000..90dcc3f866 --- /dev/null +++ b/sysdeps/tile/math_private.h @@ -0,0 +1,31 @@ +#ifndef _MATH_PRIVATE_H + +/* Internally, we suppress any use of exception or rounding other + than what is supported by the hardware. This does mean that some + code will silently fail to report exceptions, set rounding mode + as expected, etc., but it allows math code to compile that otherwise + wouldn't (such as math/s_fma.c) and so is valuable. + + We intentionally ignore the "exception" arguments of functions that + take an exception, since we can't even evaluate the argument + without causing a build failure. The extra level of statement + expression wrapping avoids "statement with no effect" warnings. + Since the callers don't check for errors anyway, we just claim + success in every case. + + The overrides for libc_ functions must happen before we include + the generic math_private.h, and the overrides for regular + <fenv.h> functions must happen afterwards, to avoid clashing with + the declarations of those functions. */ + +#define libc_fesetround(rnd) ({ 0; }) +#define libc_fetestexcept(exc) ({ 0; }) +#define libc_feholdexcept_setround(env, exc) ({ (void) (env); 0; }) +#define libc_feupdateenv_test(env, exc) ({ (void) (env); 0; }) + +#include_next <math_private.h> + +#define feraiseexcept(excepts) ({ 0; }) +#define feclearexcept(exc) ({ 0; }) + +#endif |