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authorH.J. Lu <hjl.tools@gmail.com>2017-12-07 10:11:02 -0800
committerH.J. Lu <hjl.tools@gmail.com>2017-12-07 10:11:16 -0800
commit9d0ffa60ad88799b33ab6437ba0f29b39c019462 (patch)
tree83ff13a7398d34ea00ab43c2b71a3826e47665e3 /NEWS
parent9574c7b68ddc9f2b940d412dca87592414274b48 (diff)
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x86-64: Add sinf with FMA
On Skylake, bench-sinf reports performance improvement:

            Before        After         Improvement
max        153.996       100.094           54%
min        8.546         6.852             25%
mean       18.1223       11.802            54%

	* sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines):
	Add s_sinf-sse2 and s_sinf-fma.
	(CFLAGS-s_sinf-fma.c): New.
	* sysdeps/x86_64/fpu/multiarch/s_sinf-fma.c: New file.
	* sysdeps/x86_64/fpu/multiarch/s_sinf-sse2.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_sinf.c: Likewise.
Diffstat (limited to 'NEWS')
-rw-r--r--NEWS4
1 files changed, 2 insertions, 2 deletions
diff --git a/NEWS b/NEWS
index 3065153746..25a2116cdd 100644
--- a/NEWS
+++ b/NEWS
@@ -9,8 +9,8 @@ Version 2.27
 
 Major new features:
 
-* Optimized x86-64 asin, atan2, exp, expf, log, pow, atan, sin and tan
-  with FMA, contributed by Arjan van de Ven and H.J. Lu from Intel.
+* Optimized x86-64 asin, atan2, exp, expf, log, pow, atan, sin, sinf and
+  tan with FMA, contributed by Arjan van de Ven and H.J. Lu from Intel.
 
 * Optimized x86-64 trunc and truncf for processors with SSE4.1.