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> > In message <200011221759.RAA14019@cam-mail2.cambridge.arm.com>you write: > > gives me (gcc -O2): > > > > bar: > > mul r1, r0, r1 > > mov r3, #9 > > .L13: > > subs r3, r3, #1 > > bpl .L13 > > add r0, r1, r1, asl #2 > > mov r0, r0, asl #1 > > mov pc, lr > FWIW, the loop itself is completely useless too since the result of the > entire loop is sum += (coeff * sample * 10) > > We actually realize that the loop computes above expression, but don't > actually remove the useless loop. Indeed. I'd noticed that as well.... Pity we don't remove it yet :-( R. ------ Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to crossgcc-unsubscribe@sourceware.cygnus.com
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