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glibc/sysdeps/x86_64/fpu/multiarch/e_exp2f-fma.c

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x86-64: Add exp2f with FMA For workload-spec2017.wrf, on Skylake, it improves performance by: Before After Improvement reciprocal-throughput 13.0291 11.2225 16% latency 44.5154 37.5766 18% * sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines): Add e_exp2f-fma. (CFLAGS-e_exp2f-fma.c): New. * sysdeps/x86_64/fpu/multiarch/e_exp2f-fma.c: New file. * sysdeps/x86_64/fpu/multiarch/e_exp2f.c: Likewise.
2017-10-22 14:55:49 +00:00
#define __exp2f __exp2f_fma
#include <sysdeps/ieee754/flt-32/e_exp2f.c>
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