[notes on branching a repo and setting up speed-ext to use the other version
peter@cordes.ca**20080326030443] {
hunk ./speed-ext.c 18
+making a branch of your repo:
+darcs put ../tune3
+cd ../tune3
+ln -s ../config.m4 ../tune/*.{c,h,o,lo,la} ../tune/.libs .
+cp -a ../tune/Makefile .
+edit this Makefile to not link in ../tune1/anything
+add to rshift.asm:
+  define(mpn_rshift_sse2_aligned,rshift_sse2_aligned_v3)
+  define(mpn_rshift_sse2,rshift_sse2_v3)
+  define(mpn_rshift_core2,mpn_rshift_core2_unroll8_v3)
+tweak this file to match.  Probably just comment out the sse2 stuff.
+
+edit this file in .../tune to add calls to the other versions.
+
}