[Bug target/18665] [3.4/4.0 Regression] -ftrapv borks up simple integer arithmetic

[ebotcazou at gcc dot gnu dot org]

------- Additional Comments From ebotcazou at gcc dot gnu dot org  2004-12-07 06:59 -------
> Look at the routines we implement in libgcc and ask again.  We never did
> implement sub-word routines.

Not sure what you meant with "never", but take a look at comment #6...


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18665