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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/e_exp.c
parent58985aa92f57ff46e96b32388ce65e7fdd8c8b9e (diff)
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Optimize accurate 64-bit routines for FMA4 on x86-64
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/e_exp.c')
-rw-r--r--sysdeps/x86_64/fpu/multiarch/e_exp.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/e_exp.c b/sysdeps/x86_64/fpu/multiarch/e_exp.c
new file mode 100644
index 0000000000..fc1096b54c
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/e_exp.c
@@ -0,0 +1,15 @@
+#ifdef HAVE_FMA4_SUPPORT
+# include <init-arch.h>
+# include <math_private.h>
+
+extern double __ieee754_exp_sse2 (double);
+extern double __ieee754_exp_fma4 (double);
+
+libm_ifunc (__ieee754_exp, HAS_FMA4 ? __ieee754_exp_fma4 : __ieee754_exp_sse2);
+strong_alias (__ieee754_exp, __exp_finite)
+
+# define __ieee754_exp __ieee754_exp_sse2
+#endif
+
+
+#include <sysdeps/ieee754/dbl-64/e_exp.c>