Another nail in the coffin for CTZ


Bugzilla Link	1040
Created on	Dec 17, 2012 18:59
Version	svn
OS	Linux
Architecture	PC
Attachments	SCSprf_mod.sac

Extended Description

Created an attachment (id=942)
source code to reproduce fault
The attached CF unit test fails if you compile it this way, in that
the _gt_() is not optimized out:
cd ~/sac/testsuite/optimizations/constantfolding
sac2c SCSprf_mod.sac -doawlf -nowlf -v1 -bopt:uglf >crud
If you compile it adding -noctz, the relational does get
optimized away. 
Unfortunately, disabling CTZ cripples some important AWLF
benchmarks, so we need to come up with something better than CTZ.

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