Initial Fast Short REP MOVSB (FSRM) support

System Internals / glibc - H.J. Lu [gmail.com] - 21 May 2018 17:54 EDT

The newer Intel processors support Fast Short REP MOVSB which has a feature bit in CPUID. This patch adds the Fast Short REP MOVSB (FSRM) bit to x86 cpu-features.

- sysdeps/x86/cpu-features.h (bit_cpu_FSRM): New. (index_cpu_FSRM): Likewise. (reg_FSRM): Likewise.

1af30adcd5 Initial Fast Short REP MOVSB (FSRM) support
ChangeLog | 6 ++++++
sysdeps/x86/cpu-features.h | 3 +++
2 files changed, 9 insertions(+)

Upstream: sourceware.org


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