diff options
Diffstat (limited to 'include/math.h')
| -rw-r--r-- | include/math.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/include/math.h b/include/math.h index 1236268804..84d44d44dc 100644 --- a/include/math.h +++ b/include/math.h @@ -139,25 +139,35 @@ fabsf128 (_Float128 x) /* NB: Internal tests don't have access to internal symbols. */ # if !IS_IN (testsuite_internal) \ && !(defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) +/* NO_MATH_REDIRECT must be defined in the source implementing function, + FUNC, if FUNC is implemented as an alias of __FUNC or vice versa to + avoid redirecting FUNC to __FUNC. */ +# include <math-use-builtins.h> +/* NB: Do not redirect math builtin functions when they are inlined. */ # ifndef NO_MATH_REDIRECT /* Declare some functions for use within GLIBC. Compilers typically inline those functions as a single instruction. Use an asm to avoid use of PLTs if it doesn't. */ # define MATH_REDIRECT(FUNC, PREFIX, ARGS) \ - float (FUNC ## f) (ARGS (float)) asm (PREFIX #FUNC "f"); \ - double (FUNC) (ARGS (double)) asm (PREFIX #FUNC ); \ + float (NO_ ## FUNC ## f ## _BUILTIN) (ARGS (float)) \ + asm (PREFIX #FUNC "f"); \ + double (NO_ ## FUNC ## _BUILTIN) (ARGS (double)) \ + asm (PREFIX #FUNC ); \ MATH_REDIRECT_LDBL (FUNC, PREFIX, ARGS) \ MATH_REDIRECT_F128 (FUNC, PREFIX, ARGS) + # if defined __NO_LONG_DOUBLE_MATH \ || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 # define MATH_REDIRECT_LDBL(FUNC, PREFIX, ARGS) # else -# define MATH_REDIRECT_LDBL(FUNC, PREFIX, ARGS) \ - long double (FUNC ## l) (ARGS (long double)) asm (PREFIX #FUNC "l"); +# define MATH_REDIRECT_LDBL(FUNC, PREFIX, ARGS) \ + long double (NO_ ## FUNC ## l ## _BUILTIN) (ARGS (long double)) \ + asm (PREFIX #FUNC "l"); # endif # if __HAVE_DISTINCT_FLOAT128 -# define MATH_REDIRECT_F128(FUNC, PREFIX, ARGS) \ - _Float128 (FUNC ## f128) (ARGS (_Float128)) asm (PREFIX #FUNC "f128"); +# define MATH_REDIRECT_F128(FUNC, PREFIX, ARGS) \ + _Float128 (NO_ ## FUNC ## f128 ## _BUILTIN) (ARGS (_Float128)) \ + asm (PREFIX #FUNC "f128"); # else # define MATH_REDIRECT_F128(FUNC, PREFIX, ARGS) # endif |