search for: lbb_matches_6

...rlwinm r4, r4, 0, 24, 31 cmpwi cr0, r4, 98 beq cr0, LBB_matches_8 ; ret_true b LBB_matches_5 ; NewDefault LBB_matches_4: ; LeafBlock rlwinm r4, r4, 0, 24, 31 cmpwi cr0, r4, 97 beq cr0, LBB_matches_8 ; ret_true LBB_matches_5: ; NewDefault LBB_matches_6: ; loop_step I'm particularly confused by the rlwinm instructions that keep turning up in PowerPC output, and the double test against 98. I don't have a problem or anything; I'm just trying to figure out what's going on. :-) In any case, many thanks for your help! Cheers,...

...cmpwi cr0, r4, 98 > beq cr0, LBB_matches_8 ; ret_true > b LBB_matches_5 ; NewDefault > LBB_matches_4: ; LeafBlock > rlwinm r4, r4, 0, 24, 31 > cmpwi cr0, r4, 97 > beq cr0, LBB_matches_8 ; ret_true > LBB_matches_5: ; NewDefault > LBB_matches_6: ; loop_step > > I'm particularly confused by the rlwinm instructions that keep > turning up in PowerPC output, and the double test against 98. I > don't have a problem or anything; I'm just trying to figure out > what's going on. :-) Ah! The backend is runnin...

On Thu, 16 Mar 2006, Eric Kidd wrote: > Hello! I'm compiling code which uses pointers as iterators. For some > reason--probably a silly misunderstanding of the docs--I can't eliminate > duplicate pointer loads. I'll probably figure this out eventually, but if > somebody else sees the answer instantly, I certainly won't complain. :-) There are no stupid questions.

Hello! I'm compiling code which uses pointers as iterators. For some reason--probably a silly misunderstanding of the docs--I can't eliminate duplicate pointer loads. I'll probably figure this out eventually, but if somebody else sees the answer instantly, I certainly won't complain. :-) Here are the optimizers I'm running: opt -f -simplifycfg -dce -instcombine