mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 06:20:06 +00:00
545480506f
__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>
4 lines
114 B
C
4 lines
114 B
C
#include <sysdep.h>
|
|
#define USE_FFS_BUILTIN (__mips_isa_rev >= 1)
|
|
#define USE_FFSLL_BUILTIN (__mips_isa_rev >= 1)
|