diff options
Diffstat (limited to 'REORG.TODO/sysdeps/tile/math_private.h')
| -rw-r--r-- | REORG.TODO/sysdeps/tile/math_private.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/tile/math_private.h b/REORG.TODO/sysdeps/tile/math_private.h new file mode 100644 index 0000000000..99daec4093 --- /dev/null +++ b/REORG.TODO/sysdeps/tile/math_private.h @@ -0,0 +1,44 @@ +#ifndef TILE_MATH_PRIVATE_H +#define TILE_MATH_PRIVATE_H 1 + +/* 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 __feraiseexcept(excepts) ({ 0; }) +#define feclearexcept(exc) ({ 0; }) +#define fetestexcept(exc) ({ 0; }) +extern inline int fegetenv (fenv_t *__e) { return 0; } +extern inline int __fegetenv (fenv_t *__e) { return 0; } +extern inline int fesetenv (const fenv_t *__e) { return 0; } +extern inline int __fesetenv (const fenv_t *__e) { return 0; } +extern inline int feupdateenv (const fenv_t *__e) { return 0; } +extern inline int __feupdateenv (const fenv_t *__e) { return 0; } +extern inline int fegetround (void) { return FE_TONEAREST; } +extern inline int __fegetround (void) { return FE_TONEAREST; } +extern inline int fesetround (int __d) { return 0; } +extern inline int __fesetround (int __d) { return 0; } + +#endif |