Add get_opt_overflow_unsafe_transform() option.
authorMichael Beck <beck@ipd.info.uni-karlsruhe.de>
Wed, 20 Feb 2008 13:14:13 +0000 (13:14 +0000)
committerMichael Beck <beck@ipd.info.uni-karlsruhe.de>
Wed, 20 Feb 2008 13:14:13 +0000 (13:14 +0000)
commitc77f71bb78b53c0bf9d3a394712bc0e17262aaff
tree159f6253a0cb5b9fe2b4b69ed86bbceb5368d416
parent3e4d82438142a1df61a5451a2de3eff5c28c8e1f
Add get_opt_overflow_unsafe_transform() option.
Currently this option allows x-c -> x + (-c) for unsigned.
If this option is enabled, we cannot do liner function test replacement ...

So, enable it AFTER OSR has run...

[r17804]
ir/ir/irflag.c
ir/ir/irflag_t.def
ir/ir/irflag_t.h
ir/ir/iropt.c
ir/opt/opt_osr.c
ir/opt/reassoc.c