glibc/sysdeps/mips/math-use-builtins-ffs.h

#include <sysdep.h>
#define USE_FFS_BUILTIN (__mips_isa_rev >= 1)
#define USE_FFSLL_BUILTIN (__mips_isa_rev >= 1)
mips: Use builtins for ffs and ffsll __builtin_ffs{,ll} basically on __builtin_ctz{,ll} in MIPS GCC compiler. The hardware ctz instructions were available after MIPS{32,64} Release1. By using builtin ctz. It can also reduce code size of ffs/ffsll. Checked on mips o32. mips64. Signed-off-by: Junxian Zhu <zhujunxian@oss.cipunited.com> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org> 2024-02-06 08:34:56 +00:00			`#include <sysdep.h>`
			`#define USE_FFS_BUILTIN (__mips_isa_rev >= 1)`
			`#define USE_FFSLL_BUILTIN (__mips_isa_rev >= 1)`