This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Latest bit-field patch version


On Tue, Jul 06, 2004 at 03:26:54PM +0000, Joseph S. Myers wrote:
> The following regression is still present:
> 
> > gcc.dg/tree-ssa/20030922-1.c - the known sort of tree-ssa problem with
> > useless type conversions not being optimized past (as the bit-field gets a
> > narrowed type, promoted to int for the switch, and the optimizers can't
> > see that this promoted value being known implies that the unpromoted value
> > is known).  I haven't yet looked at fixing this (but any fix would
> > probably be more generally beneficial).

I'm looking at this today.


r~


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]