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-rw-r--r--ChangeLog9
-rw-r--r--NEWS5
-rw-r--r--sysdeps/x86_64/fpu/multiarch/Makefile5
-rw-r--r--sysdeps/x86_64/fpu/multiarch/s_cosf-fma.c2
-rw-r--r--sysdeps/x86_64/fpu/multiarch/s_cosf-sse2.c2
-rw-r--r--sysdeps/x86_64/fpu/multiarch/s_cosf.c28
6 files changed, 47 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index 817f0d3a1f..2ceae53f87 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2017-12-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines):
+	Add s_cosf-sse2 and s_cosf-fma.
+	(CFLAGS-s_cosf-fma.c): New.
+	* sysdeps/x86_64/fpu/multiarch/s_cosf-fma.c: New file.
+	* sysdeps/x86_64/fpu/multiarch/s_cosf-sse2.c: Likewise.
+	* sysdeps/x86_64/fpu/multiarch/s_cosf.c: Likewise.
+
 2017-12-12  Steve Ellcey  <sellcey@cavium.com>
 
 	* nscd/nscd.h (init_traced_file): Change strncpy to memcpy.
diff --git a/NEWS b/NEWS
index c6d859ca75..2dd0c16dcd 100644
--- a/NEWS
+++ b/NEWS
@@ -9,8 +9,9 @@ Version 2.27
 
 Major new features:
 
-* 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 asin, atan2, exp, expf, log, pow, atan, sin, cosf,
+  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.
 
diff --git a/sysdeps/x86_64/fpu/multiarch/Makefile b/sysdeps/x86_64/fpu/multiarch/Makefile
index cab84bff3a..0825340c0c 100644
--- a/sysdeps/x86_64/fpu/multiarch/Makefile
+++ b/sysdeps/x86_64/fpu/multiarch/Makefile
@@ -37,10 +37,10 @@ CFLAGS-slowpow-fma.c = -mfma -mavx2
 CFLAGS-s_sin-fma.c = -mfma -mavx2
 CFLAGS-s_tan-fma.c = -mfma -mavx2
 
-libm-sysdep_routines += s_sinf-sse2
+libm-sysdep_routines += s_sinf-sse2 s_cosf-sse2
 
 libm-sysdep_routines += e_exp2f-fma e_expf-fma e_log2f-fma e_logf-fma \
-			e_powf-fma s_sinf-fma
+			e_powf-fma s_sinf-fma s_cosf-fma
 
 CFLAGS-e_exp2f-fma.c = -mfma -mavx2
 CFLAGS-e_expf-fma.c = -mfma -mavx2
@@ -48,6 +48,7 @@ CFLAGS-e_log2f-fma.c = -mfma -mavx2
 CFLAGS-e_logf-fma.c = -mfma -mavx2
 CFLAGS-e_powf-fma.c = -mfma -mavx2
 CFLAGS-s_sinf-fma.c = -mfma -mavx2
+CFLAGS-s_cosf-fma.c = -mfma -mavx2
 
 libm-sysdep_routines += e_exp-fma4 e_log-fma4 e_pow-fma4 s_atan-fma4 \
 			e_asin-fma4 e_atan2-fma4 s_sin-fma4 s_tan-fma4 \
diff --git a/sysdeps/x86_64/fpu/multiarch/s_cosf-fma.c b/sysdeps/x86_64/fpu/multiarch/s_cosf-fma.c
new file mode 100644
index 0000000000..5f9191aef9
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_cosf-fma.c
@@ -0,0 +1,2 @@
+#define COSF __cosf_fma
+#include <sysdeps/ieee754/flt-32/s_cosf.c>
diff --git a/sysdeps/x86_64/fpu/multiarch/s_cosf-sse2.c b/sysdeps/x86_64/fpu/multiarch/s_cosf-sse2.c
new file mode 100644
index 0000000000..87cf42a82a
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_cosf-sse2.c
@@ -0,0 +1,2 @@
+#define COSF __cosf_sse2
+#include <sysdeps/ieee754/flt-32/s_cosf.c>
diff --git a/sysdeps/x86_64/fpu/multiarch/s_cosf.c b/sysdeps/x86_64/fpu/multiarch/s_cosf.c
new file mode 100644
index 0000000000..356c3b63c7
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_cosf.c
@@ -0,0 +1,28 @@
+/* Multiple versions of cosf.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <libm-alias-float.h>
+
+extern float __redirect_cosf (float);
+
+#define SYMBOL_NAME cosf
+#include "ifunc-fma.h"
+
+libc_ifunc_redirected (__redirect_cosf, __cosf, IFUNC_SELECTOR ());
+
+libm_alias_float (__cos, cos)