about summary refs log tree commit diff
path: root/math/s_fdim_template.c
diff options
context:
space:
mode:
authorH.J. Lu <hjl.tools@gmail.com>2017-12-05 08:32:19 -0800
committerH.J. Lu <hjl.tools@gmail.com>2017-12-05 08:47:27 -0800
commit91c318e7b91467984bf68014ef37539d084a34ab (patch)
tree2ec4488545ff6dfe0495cd33f07e29a38b17acd4 /math/s_fdim_template.c
parentc7e882b70563289ac441f2a3565846221e111d00 (diff)
downloadglibc-91c318e7b91467984bf68014ef37539d084a34ab.tar.gz
glibc-91c318e7b91467984bf68014ef37539d084a34ab.tar.xz
glibc-91c318e7b91467984bf68014ef37539d084a34ab.zip
s_sinf.c: Replace floor with simple casts
Since s_sinf.c either assigns the return value of floor to integer or
passes double converted from integer to floor, this patch replaces
floor with simple casts.

Also since long == int for 32-bit targets, we can use long instead of
int to avoid 64-bit integer for 64-bit targets.

On Skylake, bench-sinf reports performance improvement:

           Before        After         Improvement
max        130.566       129.564           30%
min        7.704         7.706             0%
mean       21.8188       19.1363           30%

	* sysdeps/ieee754/flt-32/s_sinf.c (reduced): Replace long with
	int.
	(SINF_FUNC): Likewise.  Replace floor with simple casts.
Diffstat (limited to 'math/s_fdim_template.c')
0 files changed, 0 insertions, 0 deletions