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| author | David S. Miller <davem@davemloft.net> | 2012-05-31 14:19:30 -0700 |
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| committer | David S. Miller <davem@davemloft.net> | 2012-05-31 14:19:30 -0700 |
| commit | f230c29b40cc36ce62387664be92c3cf94119efe (patch) | |
| tree | 26028666b279654830d54846e9194429accfd9f5 /config.make.in | |
| parent | fed806c3af7b6421e17ac50f8129dbe4fd693e4a (diff) | |
| download | glibc-f230c29b40cc36ce62387664be92c3cf94119efe.tar.gz glibc-f230c29b40cc36ce62387664be92c3cf94119efe.tar.xz glibc-f230c29b40cc36ce62387664be92c3cf94119efe.zip | |
Avoid performance penalty in sparc optimized memcpy/memset.
fmovd clears the current exception field in the %fsr, fsrc2 does not and therefore runs more efficiently on some cpus. * sysdeps/sparc/sparc64/memcpy.S: Use fsrc2 to move 64-bit values between float registers. * sysdeps/sparc/sparc64/memset.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S: Likewise.
Diffstat (limited to 'config.make.in')
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