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| author | Alan Modra <amodra@gmail.com> | 2013-08-17 18:47:22 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2013-10-04 10:41:24 +0930 |
| commit | 759cfef3ac4c07dba1ece0bbc1207e099348816d (patch) | |
| tree | a0e8cadce4426afb90d39b330dd50688b8975484 /o-iterator.mk | |
| parent | fe6e95d7171eba5f3e07848f081676fae4e86322 (diff) | |
| download | glibc-759cfef3ac4c07dba1ece0bbc1207e099348816d.tar.gz glibc-759cfef3ac4c07dba1ece0bbc1207e099348816d.tar.xz glibc-759cfef3ac4c07dba1ece0bbc1207e099348816d.zip | |
PowerPC LE memcpy
http://sourceware.org/ml/libc-alpha/2013-08/msg00103.html LIttle-endian support for memcpy. I spent some time cleaning up the 64-bit power7 memcpy, in order to avoid the extra alignment traps power7 takes for little-endian. It probably would have been better to copy the linux kernel version of memcpy. * sysdeps/powerpc/powerpc32/power4/memcpy.S: Add little endian support. * sysdeps/powerpc/powerpc32/power6/memcpy.S: Likewise. * sysdeps/powerpc/powerpc32/power7/memcpy.S: Likewise. * sysdeps/powerpc/powerpc32/power7/mempcpy.S: Likewise. * sysdeps/powerpc/powerpc64/memcpy.S: Likewise. * sysdeps/powerpc/powerpc64/power4/memcpy.S: Likewise. * sysdeps/powerpc/powerpc64/power6/memcpy.S: Likewise. * sysdeps/powerpc/powerpc64/power7/memcpy.S: Likewise. * sysdeps/powerpc/powerpc64/power7/mempcpy.S: Likewise. Make better use of regs. Use power7 mtocrf. Tidy function tails.
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