What to do with gcc 3.4 regression on Itanium 1?

H. J. Lu hjl@lucon.org
Wed Jun 2 19:50:00 GMT 2004


On Tue, Jun 01, 2004 at 12:27:09AM -0700, Jim Wilson wrote:
> H. J. Lu wrote:
> >It looks like a typo to me.
> 
> Which part exactly is the typo?  These ambiguous bug reports are not 
> very useful.
> 
> It looks OK to me.  1_ialu is used when both bundling_p and 
> ia64_produce_address_p are false.  1_ialu_addr is used when bundling is 
> false and ia64_produce_address_p is true.  1b_ialu is used when bundling 
> is true and ia64_produce_address_p is false.  1b_ialu_addr is used when 
> both bundling are ia64_produce_address_p are true.

Doesn't "1_M"/"1b_M" mean that "1_ialu_addr"/"1b_ialu_addr" will be
used for M unit only? That contradicts the comment

;; ??? howto describe ialu for I slot only.  We use ialu_addr for that

which implies "ialu_addr" is for I unit.


H.J.



More information about the Gcc mailing list