2.95, x86: severe performance problems with short arithmetic

Zack Weinberg zack@bitmover.com
Tue Aug 31 23:20:00 GMT 1999


Jeffrey A Law wrote:
>   In message < 199908101852.LAA11338@zack.bitmover.com >you write:
>   > so I am guessing that the problem is with this piece of i386.md:
> Yes.  Read the comments and the changelog.  That'll tell you why it is
> there and who put it in.  Iterate with them over the change.
> 
> We do not want to just rip out that block.  That is not a solution.

The block in question has been there since before the 1.1 rev of
i386.md.  I don't see anything that looks related in any of the
FSFChangeLog files available to me.

zw



More information about the Gcc mailing list