ack/mach/powerpc
George Koehler 459a9b5949 Use lwzu, stwu to tighten more loops.
Because lwzu or stwu moves the pointer, I can remove an addi
instruction from the loop, so the loop is slightly faster.

I wrote a benchmark in Modula-2 that exercises some of these loops.  I
measured its time on my old PowerPC Mac.  Its user time decreases from
8.401s to 8.217s with the tighter loops.
2017-10-18 12:12:42 -04:00
..
as Add RELOLIS for PowerPC lis with ha16 or hi16. 2017-02-08 11:46:31 -05:00
libem Use lwzu, stwu to tighten more loops. 2017-10-18 12:12:42 -04:00
libend Mostly add support for the experimental and largely broken linuxppc platform. 2016-09-15 23:12:03 +02:00
mcg Use a better NOT; and after remembering that PowerPC bit numbers are all 2017-01-07 01:03:15 +01:00
ncg Use lwzu, stwu to tighten more loops. 2017-10-18 12:12:42 -04:00
top In PowerPC top, don't delete addi r0, r0, 0 2017-01-26 12:44:32 -05:00