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authorUlrich Drepper <drepper@gmail.com>2011-10-24 20:19:17 -0400
committerUlrich Drepper <drepper@gmail.com>2011-10-24 20:19:17 -0400
commitaf968f62f24c5c0ef4e7e5ab41acae946908c112 (patch)
treee1e0570eeb00c434cc751cbadfbeae150eeea11a /sysdeps/x86_64/fpu/multiarch/s_tan.c
parent58985aa92f57ff46e96b32388ce65e7fdd8c8b9e (diff)
downloadglibc-af968f62f24c5c0ef4e7e5ab41acae946908c112.tar.gz
Optimize accurate 64-bit routines for FMA4 on x86-64
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/s_tan.c')
-rw-r--r--sysdeps/x86_64/fpu/multiarch/s_tan.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/s_tan.c b/sysdeps/x86_64/fpu/multiarch/s_tan.c
new file mode 100644
index 0000000000..cca02b54de
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_tan.c
@@ -0,0 +1,14 @@
+#ifdef HAVE_FMA4_SUPPORT
+# include <init-arch.h>
+# include <math.h>
+
+extern double __tan_sse2 (double);
+extern double __tan_fma4 (double);
+
+libm_ifunc (tan, HAS_FMA4 ? __tan_fma4 : __tan_sse2);
+
+# define tan __tan_sse2
+#endif
+
+
+#include <sysdeps/ieee754/dbl-64/s_tan.c>