diff options
Diffstat (limited to 'libm/upstream-freebsd/lib/msun/ld128/s_expl.c')
| -rw-r--r-- | libm/upstream-freebsd/lib/msun/ld128/s_expl.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libm/upstream-freebsd/lib/msun/ld128/s_expl.c b/libm/upstream-freebsd/lib/msun/ld128/s_expl.c index f4c18be60..5b786af49 100644 --- a/libm/upstream-freebsd/lib/msun/ld128/s_expl.c +++ b/libm/upstream-freebsd/lib/msun/ld128/s_expl.c @@ -29,7 +29,7 @@ */ #include <sys/cdefs.h> -__FBSDID("$FreeBSD: head/lib/msun/ld128/s_expl.c 336545 2018-07-20 12:42:24Z bde $"); +__FBSDID("$FreeBSD$"); /* * ld128 version of s_expl.c. See ../ld80/s_expl.c for most comments. @@ -92,7 +92,10 @@ expl(long double x) t = SUM2P(hi, lo); /* Scale by 2**k. */ - /* XXX sparc64 multiplication is so slow that scalbnl() is faster. */ + /* + * XXX sparc64 multiplication was so slow that scalbnl() is faster, + * but performance on aarch64 and riscv hasn't yet been quantified. + */ if (k >= LDBL_MIN_EXP) { if (k == LDBL_MAX_EXP) RETURNI(t * 2 * 0x1p16383L); |