LoongArch: Use __builtin_logb{,f} with GCC >= 13

GCC 13 compiles these built-ins instead of generic
implementation for function logb.

Link: https://gcc.gnu.org/r13-3922
Co-Authored-By: Xi Ruoyao <xry111@xry111.site>
This commit is contained in:
Xiaolin Tang 2022-11-23 11:45:01 +08:00 committed by caiyinyu
parent 2e2485ce05
commit 13c549f497

View File

@ -0,0 +1,10 @@
#if __GNUC_PREREQ (13, 0)
# define USE_LOGB_BUILTIN 1
# define USE_LOGBF_BUILTIN 1
#else
# define USE_LOGB_BUILTIN 0
# define USE_LOGBF_BUILTIN 0
#endif
#define USE_LOGBL_BUILTIN 0
#define USE_LOGBF128_BUILTIN 0